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List – 18 Marketplaces Where You Can Buy and Sell Patents

“I wish there was one comprehensive list that provides all the patent marketplaces where one could buy and sell patents” — uttered Sara, an inventor friend of mine, during our conversation the other day, visibly frustrated after her futile attempts to find the perfect marketplace where she could sell her patents.

Sara is not alone. There are hundreds of patent owners, who face a similar dilemma, every time they are looking forward to selling their patents. They are not sure whether listing on the marketplace, they initially came across is the right decision or not. Moreover, it is frustrating to read through the website of every marketplace, analyze the pros and cons, and finalize one where they could list their patents, in hopes that it would sell soon in near future.

Monetizing the patent portfolio is not the only trouble in the IP world. Whether it’s about expanding patent portfolio in a domain or acquiring patents for defensive purposes to operate freely, it is common knowledge that patents listed on marketplaces can be acquired for a cheaper price as compared to reaching out to patent owners individually, who would inflate prices, if they figure the buyer is a large entity.

Yes, marketplaces are as much a boon to the buyers as they are to sellers.

Honoring Sara’s wish, we have curated a comprehensive list of all the well-known patent marketplaces, where one could buy and sell patents. This one is dedicated to Sara, and all those others, who at some point in time, wished for this list.

PS: We have listed all the marketplaces below for your convenience. You can either read the entire post to choose the one that best fits your needs or click on an individual marketplace on the table of contents below to find more about them. Better yet, you can download this article in PDF format to save it for offline reading or sharing. Use this tiny form below to get the PDF:

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Here is the table of content, so if you are interested in a particular marketplace, you can land on it directly.

List of Free Patent Marketplaces

PatentAuction.com

Founded in 2004, under the name freepatentauction.com, the renamed site patentauction.com is one of the few legit marketplaces that are entirely free and have no hidden costs.

Listing a patent for sale is one registration away. Easy Peasy? Check.

The site is pretty popular with inventors and is frequently updated with new inventions/ patents. The only drawback is that the categories in which patents could be listed are very limited, due to which most patents — that do not belong to listed categories — end up being a part of the “other” heap. Not very convenient for searchers.

But once you (the user/buyer) have found your ideal patent and want to go forward with the negotiation talks, or resolve inquiries, things get easy. The seller can be contacted directly on the messaging board available on the marketplace (Registration required, of course). No outlook involved.

Would I recommend it to Sara?

There is a good probability, I would. But then, there are other good options too.

IP Marketplace

Launched in 2007, IP Marketplace is managed by the Danish Patent and Trademark Office. A recent, modernized version of the website was relaunched in 2017. The site serves as a marketplace that allows listing of patents, patent applications, designs, utility models, and trademarks.

The Marketplace offers extensive filtering on the site, which means users can find patents/ any other type of IP, from a particular technology category, valid in a particular country and available under terms of a particular co-operation agreement [sale (lump sum/royalty-based)/ licensing(exclusive/non-exclusive/cross-licensing)].

The only issue with the IP marketplace is that the categories are either poorly chosen or inaptly named. For instance, instead of listing all the major technology clusters as categories and allowing users to choose from them, the categories are highly limited to Biotech, Food Tech, Energy, IT, Pharma, Machines, Art & Crafts and others, one of them being leisure activity goods.

Makes me think how many patents actually exist in the category that leisure activity goods get a mention and environment patents (or space tech patents) are left out.

Another turnoff — categories like “foodstuffs”. With all due respect, it doesn’t take a genius to rename that category. Call it Comestibles or rename the category to Food Science. Just not foodstuffs. My IQ drops 10 points every time I type that word.

Other than that, I have no qualms.

There is one thing that I ought to mention though – IP marketplace hosts a tool for evaluating your IP (Patents/ Trademarks/Design). For free. This tool is handy for someone like Sara and various others who would benefit from figuring the value of their IP.

Inventorhaus Inc

Like other marketplaces, inventorhaus (formerly known as Inpama.com) is a global marketplace that allows both buyers and sellers to avail of the service for free, post-registration. Inpama offers inventors a guide, aka a few tips, which could help sell their patented inventions faster.

The site is free but not a top choice as it is visually unappealing. Further, there are not a huge lot of patents listed for sale in comparison to the sites mentioned earlier. I wouldn’t recommend it to Sara.

But if you find a listing that interests you, you can contact the patent owner post filling a detailed form along with the price you are willing to offer. Negotiations take place either on the portal or offline, and there are no commission fees or hidden costs for either party.

PCTXS.Com

PCTXS Inc, a Canadian company, manages the PCTXS marketplace, which allows both buyers and sellers the option to license/sell/ask prices, for unexpired International Patent Application rights in countries around the world.

PCTXS membership is free. Buyers and sellers can perform extensive searches or post listings after registration. PCTXS also offers this additional functionality where owners could simply type in the PCT number and the company harvests the rest of the relevant data of the PCT application automatically from the WIPO site, including written opinion and search reports.

Committed to being free for universities, Not-for-profit research organizations, and other educational institutions for a lifetime, PCTXS does not guarantee to offer its service for free in the future for other entities.

Make the most of it, while it’s free!

As far as Sara is concerned, she does not have a PCT application, so not the best choice for her.

For others who own one or several PCTs, we totally recommend this one.

List of Paid Marketplaces

IAM Market

Launched in 2015, IAM Market is a unique marketplace that falls under both free and paid categories. Free for buyers, a fee involved for sellers.

Why unique?

Here’s why — Instead of listing patents for the sale of entities of every size, IAM Market lists patent portfolios for sale by 22 vendors solely.

These 22 vendors include some of the biggest portfolio holders, namely — AT&T, IBM, HP, Microsoft, Google, Intel, Boeing, Sony, Philips, and Xerox.

According to a source, these are the very vendors (15 of them) IAM reached out to prior it launched its operations. In return, they received a flat fee deal to list as many patents as they’d like for a year.

“Two years. Only Seven new vendors. They might have strict conditions on who can list their patents” – One might speculate.

But don’t let that deter you from becoming one since IAM Market offers the option on its website for practically anyone to enroll as a vendor. The conditions and fee structure of which can be found out by contacting the team at IAM. Contact info here!

Buyers are in for a treat at IAM Market, as registration is free, and the sellers are genuine vendors interested in selling their patents. Given that there are only 22 vendors, the technology categories are limited, yet some of the best quality patents for the particular technology could be found for sale here.

BTW, there are no commissions or hidden costs involved, as IAM does not broker any deals or serve as intermediaries. If they did, you and I, we’d have access to some of the most sophisticated, detailed reports on the patent transactions market. Our bad!

All good things come at a cost. Talking of which, here are some more marketplaces that would cost you – the buyer/seller – some of your hard-earned money.

IPNexus.com

“We want to be like Linkedin for innovation and intellectual property – in the sense that Linkedin isn’t a social network, but an online marketplace for human capital.”

– Hidero Niioka, Founder and CEO, IP Nexus.

Launched in April of 2012, IP Nexus’s mission was to make IP related information and services easily accessible and affordable for startups. Its Q&A forum serves the very purpose, being a popular venue where expert professionals answer users’ questions related to IP matters.

In addition to the forum, IP Nexus also hosts a directory for lawyers, a job posting board, and an IP marketplace – featuring for sale patents and other modes of IP protected inventions.

Named IP Exchange, this IP marketplace is quite popular as it lists 67,000+ patents at the time of writing this article, with a third of patents on sale that have been issued or are pending grants from the Japan patent office.

Patent owners are allowed to list their patents post registration, both being free. After a successful sale/license transaction though, a matching fee is charged, which is 12% for profit companies, and 4% for non-profits.

Anyone post-registration can browse unlimited IP and submit interest in buying any particular IP for free, but it might be the least preferable option. The 0$ or free option locks most of the functionality of the website, restricting users from reading the entire description and hiding the patent/application number.

To make the best out of this platform, one ought to pay a price, somewhere in the range of hundred to two hundred dollars. The chart below lists all the membership models available on the platform along with the listing of features that comes with it.

Not all good things come for free, eh!

Got some cash to spare?

Ocean Tomo Bid-Ask™ Market

How does it feel to be the first to start a trend?

Special, eh!

Ask Becker and Malackowski of Ocean Tomo, who created the first live public auction of patents, trademarks, and copyright. The first multi-lot patent auction was held in 2006 and it was so popular, patent auctions have become quite the norm. Ocean Tomo holds a lot of auctions, and every time lots are up for sale, Ocean Tomo advertises in print media, notifying everyone about the same. But this is so offline.

Worry not, they have an online auction system in place too. Referred to as Ocean Tomo Bid-Ask™ Market, the marketplace is available in both English and Mandarin.

Owners who wish to sell patents, have to sign an Ocean Tomo seller agreement whose terms of sale include the inclusion of future related assets. Post verification, the assets are provided with a transaction serial number and a virtual data room, in which the seller may disclose further details along with the targeted purchase price.

Now, though these listings are available for everyone to view, a buyer can bid on a patent only post verification. A buyer is supposed to meet predetermined standards set by Ocean Tomo in order to bid, and after meeting them, credit verification is done, post which the buyer must sign a Bidder Agreement. Too much work before you bid. But that ensures only genuinely interested parties can become a part of the deal.

Bidding is free, and after a completed transaction, Bid-Ask charges a 10% and 15% commission split between buyer and seller respectively. Everyone wins.

USPTO eOG:P

A USPTO Initiative, the Electronic Gazette lists patents available for sale or license, along with contact information of the inventor/assignee. Though the official gazette is published every Tuesday, the version containing the aforementioned list is published on a monthly basis, that is on the second Tuesday of every month.

The service fee is $25 for every single item, and patent owners can list their patents post sending a cheque or a money order payable to the Commissioner for patents. No registration required. That’s so obvious, isn’t it?

IdeaConnection

Idea Connection, in its first look, comes across as any other traditional free patent marketplace. It is free indeed for buyers, as anyone can easily browse all the listed patents and contact the seller, post registration (free).

It is the sellers who ought to pay a price, $49.95 precisely. Marketed as “Crowdsell your patent”, it allows listing a patent on the marketplace for two years, with a link to the website, and a notification to their subscribers (of your patent, of course), who gross somewhere around 41,000.

Their model also allows one to become a broker, where a party can reach out to a seller, and negotiate a commission prior linking them directly to the buyer. The platform, however, does not charge any commission from any negotiation or closed transaction.

The site is both buyers and seller friendly with a huge technology listing, and other than generating some revenue from seller side, it is quite a decent consideration.

PS: My colleague asked me what I meant by huge technology listing while reviewing this piece. Good question, Vincy.

While reviewing marketplaces for this piece, this was one of the few marketplaces that I came across which offered a listing of patents in broad, extensive categories.

Believe it or not, it lists patents in 103 broad categories. These categories include well-known ones like IT, Electronics, Energy, Communication, Transportation to less famous categories like Wind, Space Tech, Veterinary Science, Waste Management, and Publishing.

For an inventor like Nia who has done prolific work in the world of solar energy, her patents would finally find a marketplace where they are not classified under the other category.

Nia, this one is for you girl!

Yet2.com

How often it happens that you start something to sell the technology that you developed as an inventor and end up helping thousands of inventors sell their patents too?

Yet2.com is one such story. It was launched in 1999 by Ben DuPont and Chris De Bleser when DuPont was attempting to sell a new technology that he had developed, and De Bleser was in a similar situation at Polaroid. The duo started the company originally as an online marketplace. As time passed, Yet2 changed strategies to provide consulting services and took on more offline projects.

Almost two decades in operation, Yet2 has worked with Fortune 500 and Global 2000 companies. Some of their clientele include Du Pont, Sony, Philips, Kimberly-Clark, Samsung, DSM, Avery Dennison, Bayer, Boeing, AGC, and Panasonic.

For patent owners, Yet2 has different membership models to choose from, before being able to list a patent.

For searchers or buyers, it does not cost anything to register on the site, view listings, ask questions related to the listing or introduction before negotiation. However, Yet2 charges a commission post any successful transaction/negotiation deal on the site.

Not a bad deal.

Sara, add this one to the list as well!

Tynax Patent Library

Launched as a patent and technology brokerage firm in 2003, Tynax’s original marketplace was designed to match buyers’ patent requirements with sellers’ offerings.

Pretty much, like every decent marketplace.

At a later point in time, Tynax shifted things around and renamed its marketplace as Tynax Patent library. Accurately named, the marketplace has more of a library like feel to it. The technologies are categorized, each category listing subclasses, which further lists the patents available for sale in that particular niche. It covers hundreds of technologies under which patents could be listed, just like a real library.

Source – https://www.tynax.com/topicdirectory

BTW, Sellers can create an account for free and list their patents, post registration. Post successful sale or license transaction, Tynax collects a fee, which is calculated by taking into account, a certain percentage of the transaction cost.

Serving the purpose with which it originally started, Tynax also offers the option to act as a broker for the seller, at an additional cost and a page-long contract.

Buyers can check out the patents available on the marketplace for free, and Tynax charges a brokering cost, post successful acquisition/licensing of a patent.

For buyers, Tynax can also act as an IP strategist and help buyers accrue a defensive/offensive patent portfolio. The buyers have to enter a simple membership agreement first, with confidentiality provisions, and provide Tynax with a list of competitors they seek protection from. Tynax then does its work.

What about the cost?

According to their website, the annual cost of membership of patent library is roughly the same as the cost of prosecuting a single US patent. Got thousands to spare? As they say, good things come at a cost.

List of Patent Brokerage Marketplaces

ICAP Patent Brokerage

A successor of Ocean Tomo Transactions, ICAP Patent Brokerage has been around since 2006 and has held numerous auctions across the US and Europe.

To begin, sellers can submit their patents on the ICAP’s website for consideration. Post submission, each IP in question is analyzed in detail. If accepted, executive summaries and claim charts are prepared. These comprise the catalog, which is featured in the sealed bid. These bids are then either auctioned or privately sold.

Just like its predecessor, ICAP post holding an auction, publishes about the same in digital media, in form of promotions or advertisements. Buyers have the option to privately buy patents or publicly bid for them during an auction.

Once the auction is complete, buyers have to pay a 10% premium along with the bid amount. Sellers? They pay a commission based on the terms of the contract.

IP Offerings

Primarily a patent brokerage firm, IP Offerings follows an in-depth analysis and marketing process post submission of a patent by a seller.

The focus is mainly to sell the patents to potential buyers in a swift manner. Having said that, IP Offerings also has a marketplace that lists patents, which aren’t protected under anonymity or confidentiality clauses.

There are no front costs involved, as IP Offerings work on a contingency basis. Post a successful sale, IP Offerings are paid by the sellers, a pre-decided percentage share in the revenue generated.

IP offerings act as a broker for buyer side as well, getting hold of IP based on buyer’s requirement. For the service, they charge a monthly retainer plus a success fee post successful acquisition of desired patent or technology.

They have brokered hundreds of deals till date, one of them received a bit of media attention too. Which one? Guess from the list.

IP Investments Group

Providing patent brokering and patent licensing services to patent owners for years altogether, IPIG is an expert in patent monetization. Each of the aforementioned services is provided to sellers on a contingency basis, with no upfront costs.

It is also a client-friendly company, giving patent owners complete control over the process. IPIG have a solid track record of deals, making them a good choice as a brokerage partner.

Sara, take a leap of faith girl!

Transactions IP

If you have a high-quality patent, Transactions IP can successfully sell it. That’s the gist I came to after reading through its seller side brokerage page.

Pretty much everyone can do that, eh?

Moving on.

Sellers can submit their patents for consideration to Transactions IP and post analysis, their team would get in touch with you to discuss the next steps. This means — if your patent is valuable, it is going to be a breeze. If it isn’t, then you, the seller, will have to pay an upfront fee in addition to operating the case on a contingency basis which is the norm.

Transaction IP also does buyer-side patent brokerage.

It follows an in-depth process post understanding the needs of the buyer and carries out its execution. They charge buyers a combination fee which is calculated by including hourly fees and a success fee percentage.

The positive — You, as a buyer, get to decide the budget before going ahead with the process.

List of Programs where Patent Owners Can Sell Patents

Google’s Patent Purchase Portal

Sell your patents to big ole’ Google, so that they can use it to make the world better.

Jokes apart, the tech giant is in fact interested in buying your patents. It first started its patent purchase program in May of 2015 for a three-week window.

It received thousands of submissions, of which it bought 28% of the total offered to it.

The program was deemed a success and Google has kept its patent purchase portal open for submissions.

Sellers can send in their patent for consideration by filling in a detailed form, post which Google would get in touch to discuss the outcome/next steps.

Don’t get too excited though.

If numbers from an IEEE paper are to be believed (which you should believe), the highest Google paid for a patent is $250,000, the lowest being a mere $3000.

If you had plans of selling your patent to Google and retire early, you are living in an illusion. That’s not happening.

Sara, sell your patent to Google.

Allied Security Trust (AST)

AST started as an experiment, in 2007, to protect its members from wasteful litigation.

Over the decade, AST has received and processed more than 6,500 lots comprising over 138,000 patent assets. It has acquired around 2500 assets, worth $420 Million. All this with inputs from members.

Our interactions with AST are always positive and professional. They are serious when they buy. Once they make an offer I have great confidence that they will be able to close the deal. It’s a real benefit to be able to bid alongside your peers, and a tremendous advantage to have regular peer-to-peer interaction throughout the year.

–  Micky Minhas, Chief Patent Counsel, Microsoft Corporation

AST follows a cost-sharing model, pooling funds from several interested parties to acquire patent rights. Any IP which is submitted for sale is evaluated by all the members, and only if parties are interested, AST goes forward with IP acquisition.

This is a gain for both sides as sellers can get a good price for their patents, while buyers will be set back by an amount which is way less when compared to costs accrued when acquiring rights directly.

BTW, if you are a seller, these are the technologies, AST is interested to buy — Find ’em here.

RPX

The defensive aggregation company, which shares a business model similar to AST was found a year after the former with the intent to reduce the risk of NPE patent assertion and litigation.

With 320+ members, RPX boasts of having acquired 40,000+ Patent assets till date and saving its members 3.8 Billion USD in wasteful litigation and settlement costs. Though the company offers the option to either buy insurance or become a member to avoid wasteful litigation, RPX additionally also offers patents for sale.

The company lists patent portfolios for sale on its website, highlighting the exemplary patents in the portfolio. Once you have decided which portfolio you would like to buy, you could fill the buyer information form and a representative from the organization would reach out to you. However, it is not clear whether or not RPX charges any commission or fee on the transaction for the buyer side. You could find out more by contacting the RPX team.  

For IP holders, RPX guarantees to provide a fair market price and fast cash payment – within 90 days of receiving the offer to sell. IP holders could provide information about the IP in hand, along with valuation expectations and technology details in the seller information form, and within two business days, you could expect communication from an RPX representative.

Conclusion

Phew! It was a long list.

Long and useful? You are the one to judge. We really hope this list answers all your questions and gets you a step closer to fulfilling your goal.

If you have any suggestions or comments, do let us know in the comments section. We’d love to hear from you.

Wishing you success in your endeavors.

Editor’s Note: If you are an admin/developer of any of the marketplaces mentioned above and would like us to elaborate on our views, please feel free to write to us. We would love to share more features of your marketplace/tools with our readers.

Get in touch

Authored by: Anjali Chopra, Senior Business Analyst, Market Research in collaboration with Vincy Khandpur, Team Lead, Patent Infringement Team.  

Related Article: List Of 77 Patent Brokers From Different Countries

Showing 29 comments
  • Abdulmohsen Benawadan
    Reply

    My goal is to build patent marketplace and services.
    Do you offer fulfilment in such e commerce?

    • LB PETER
      Reply

      very useful and educative. LB Peter

  • Rushikesh
    Reply

    I have make a patent now I want to sell it

    • manny
      Reply

      What kind of patent?

  • Alice wilson
    Reply

    I read your full article. This article is very informative and helpful. Thanks for sharing your post.

  • Martiens
    Reply

    I do have a green patent and want to sell it what can I do and where can I go to

    • manny
      Reply

      What kind of patent?

  • Manny
    Reply

    You missed out on LicenseLake.com.
    Check it out!

  • Jean
    Reply

    Isn’t Idea Buyer a scam? I’m finding tons of articles online about its CEO, Eric Corl..

  • Chris
    Reply

    Google Patent Submission Portal now refers to AST managing their patent intake process…

    • Montgomery Webster
      Reply

      Looks legitimate. They shut down the company after a hacker destroyed most of their data.

  • Eddie Ballard
    Reply

    I have a patent now I would like to sell it

  • Tomaz
    Reply

    What about energy inventions ? Anybody specialized for this ?

  • Steve Hafif
    Reply

    The majority of patent marketplaces are archaic, with poor interfaces and minimal capabilities beyond posting and viewing listings.

    Cypris is a fresh look in patent commercialization. We leverage modern techniques in design and data analytics to create the proper connection between the patent owner and patent buyer/licensee.

    On Cypris, users can use our search engine to investigate active patent grants within their market, and enable our marketplace filter to identify patents available for sale or license within their very industry.

    Today, marketplaces will crowd your patents within a sea of listings, and do little to no digital marketing to target the new and hungry buyers market. Cypris will change that by presenting your listing to potential buyers within your category, and prioritize its place within our search results.

    On Cypris, the power is your hands.

    We take no post transaction commissions or fees, and creating a listing is easy because your patent is already on our site.
    Claim your patent today, on Cypris.

    ipcypris.com

  • Mrs Ayo-vaughn
    Reply

    We operate a clinic here in Nigeria, on herbal medication on a number of ailments which has proven healing efficacy in thousands of patients who have patronized us over the years! Such as tuberculosis, High BP, Typhoid fever,etc. Can your organization help to link serious patent buyers for some of these useful remedies for preventable diseases. Thanks so much for your attention.

  • ZHI ZENG
    Reply

    I want to buy Related to pharmaceutical and biological clinical applications.

    • John Adjokatse
      Reply

      Dear Mr. ZHI ZENG,
      My name is John from Australia and I am an inventor in Interdental devices. My current invention (for which I hold a patent for)combines interdental brush and dental floss into a single component. The following Youtube links will give you an idea about the product.

      https://www.youtube.com/watch?v=T0B288eq-5I

      https://www.youtube.com/watch?v=s820nwwFhUU

      The product is on sale on Amazon and also being prescribed by Dentists in Ghana for Patients.

      Please let me know if you will be interested in buying such devices.

      Regard

      John Adjokatse

  • Najib kh Ismail
    Reply

    I have new patent under my name, how can I sell my patent?

  • Christine Savard
    Reply

    No marketplaces for canadian patents. These companies only buy us patents.

  • entat
    Reply

    I thank the owner of this site
    And this work
    Facilitates the pure inventor
    thank you very much

  • David Hurtado
    Reply

    You missed the next websites: http://www.ipwe.com. The IPwe Platform is the world’s first global patent transaction platform utilizing artificial intelligence and blockchain technology to facilitate acquisitions, licensing, and much more.

    Also a very good one for university technologies is http://www.ibridgenetwork.org and the The AUTM Innovation Marketplace (AIM)

    • GreyB
      Reply

      Thanks for sharing this, David. We will add this to the list soon.

      • Vijay
        Reply

        Nice info

      • Michael Swoveland
        Reply

        I have a pending patent for a low energy method of producing Nanocellulose and Chitosan using a bacteria and Enzymes to extract from recycle paper and plastic

  • Kalamuddon Anwar shaikh
    Reply

    I have Pending petant from uspto can i sell?

  • Debrato Mukerjee
    Reply

    I am an Indian individual scientist with two patents and trade mark patent Bio Medical engineering. I want to sell license in India.

  • Shiva Loccisano
    Reply

    you might list http://www.knowledge-share.eu as well

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