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March 4, 2021 +1-202-455-5058 sales@greyb.com Intellectual Property Services
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      • Prior Art Search
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    Case Studies

    How we found a prior art in patent invalidity case from a previous lawsuit
    By Team GreyB
    In Case Studies
    Posted January 29, 2021

    How we found a prior art in patent invalidity case from a previous lawsuit

    Has this ever happened to you during a litigation grade search that you found prior art in complaint documents? Yes, those very documents which in a previous infringement lawsuit was used to [...]

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    Proven strategies of detailed infringement analysis for distinct cases
    By Team GreyB
    In Case Studies
    Posted September 2, 2020

    Proven strategies of detailed infringement analysis for distinct cases

    How do we identify infringing products? What is that one strategy that makes GreyB different? Chakshu, director at GreyB, wanted to prepare a list of all strategies we use to identify infringing [...]

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    How to find prior art when mathematical expressions are part of the claim elements?
    By Team GreyB
    In Case Studies
    Posted August 12, 2020

    How to find prior art when mathematical expressions are part of the claim elements?

    Finding prior art for a patent that has a mathematical expression or a complex equation in its claim is hard. If you have worked on such cases before, you would know it is not like another [...]

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    Companies turn down the offer to license or buy my patent. Why?
    By Team GreyB
    In Case Studies
    Posted August 11, 2020

    Companies turn down the offer to license or buy my patent. Why?

    Ever wondered why you are not able to license or sell your patents despite them being of high value?   Often, I come across licensing managers, IP heads and patent owners confused as to why they [...]

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    Digging deep into combination art can lead you to information that will further strengthen your case
    By Team GreyB
    In Case Studies
    Posted July 29, 2020

    Digging deep into combination art can lead you to information that will further strengthen your case

    As a litigator, you love killer prior art,  don’t you? But sometimes you have to make do with 103-type, if you are in the US. The sound of 103-type just made you sigh, didn’t it? It is justified [...]

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    How we helped a smart young partner of a law firm find patent infringement for his client
    By Team GreyB
    In Case Studies
    Posted July 8, 2020

    How we helped a smart young partner of a law firm find patent infringement for his client

    “Our group would like to proceed with the initial search outlined to identify companies who could be infringing U.S. Patent No. XXXX971”,  emailed Chris – Partner in a proclaimed law firm and a [...]

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    Prior art search: When simple and obvious concepts are patented in a different industry
    By Team GreyB
    In Case Studies
    Posted May 7, 2020

    Prior art search: When simple and obvious concepts are patented in a different industry

    Patent attorneys are often in a zero-sum game when it comes to litigation. Wins are attributed to how strong the prior art is with the attorney. My job is to find this prior art. Most patent [...]

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    Litigators, Are you facing difficulty in finding expert witness in your patent litigation?
    By Team GreyB
    In Case Studies
    Posted May 5, 2020

    Litigators, Are you facing difficulty in finding expert witness in your patent litigation?

    Patent litigation is greatly influenced by having an expert witness on your side. These expert witnesses provide testimony for infringement, validity, damages, etc.  As a patent litigator, you [...]

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    Non-patent Search: How we killed an ecigarette patent
    By Team GreyB
    In Case Studies
    Posted April 17, 2020

    Non-patent Search: How we killed an ecigarette patent

    Has this ever happened to you – You are conducting a prior-art search and something keeps on jabbing at the back of your head, questioning whether you have explored everything?  Well, it happens [...]

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    How did we Prove Patent Infringement when no Information was available?
    By Team GreyB
    In Case Studies
    Posted February 27, 2020

    How did we Prove Patent Infringement when no Information was available?

    After hearing the word patent infringement, the first thing that comes to most analysts’ minds is finding product literature and mapping it with the patent. What comes to our mind, on the [...]

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    Case of really tough LED patent previously under lawsuits and part of PTAB petitions.
    By Team GreyB
    In Case Studies
    Posted January 14, 2020

    Case of really tough LED patent previously under lawsuits and part of PTAB petitions.

    “My client wants a fresh search on a patent about LED substrates” emailed an attorney – our repeat client – on a Friday. “Of course, we can help you as this is relatable technology”, [...]

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    We Found Prior Art for a 4G Telecom patent using Link Adaptation Concept from 90s
    By Team GreyB
    In Case Studies
    Posted January 13, 2020

    We Found Prior Art for a 4G Telecom patent using Link Adaptation Concept from 90s

    “I don’t know what else I can tell you, it seems nothing good exists,” said the attorney on a conference call. This conversation took place during one of the interim connects in the project [...]

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    Shadowing a New Analyst’s approach to Patent Monetization
    By Team GreyB
    In Case Studies
    Posted December 20, 2019

    Shadowing a New Analyst’s approach to Patent Monetization

    With every project comes a challenge, and with every challenge that we overcome a milestone is set. Most of you would relate to this – some when they push their limits at the gym, others when [...]

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    How we helped a company license their patents to a Fortune 500 at a point they wanted to give up?
    By Team GreyB
    In Case Studies
    Posted November 26, 2019

    How we helped a company license their patents to a Fortune 500 at a point they wanted to give up?

    We all know the power a strong patent portfolio holds. However, when it comes to monetizing it, it’s not always a walk in the park. A list of target companies needs to be generated, infringement [...]

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    How we performed a feasibility study in Gaming industry to find Infringement
    By Team GreyB
    In Case Studies
    Posted November 8, 2019

    How we performed a feasibility study in Gaming industry to find Infringement

    Results found. No results found – Searches, in my opinion, have more to it than the outcome. As a searcher, of course, there are strategies and tactics involved to get to the result (or the lack [...]

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    “I think about client’s objective rather than what he is asking us to do”, says Anoop
    By Team GreyB
    In Case Studies
    Posted November 5, 2019

    “I think about client’s objective rather than what he is asking us to do”, says Anoop

    While preparing a methodology for the projects, especially for a claim amendment study, deciding what to include and what not can take an extra bit of thinking. The client might have made his [...]

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    Our investigative approach helped us find convincing evidence in the cited prior arts. Let me tell you how.
    By Team GreyB
    In Case Studies
    Posted October 15, 2019

    Our investigative approach helped us find convincing evidence in the cited prior arts. Let me tell you how.

    When it comes to prior art searches, among the huge list of resources and strategies explored and employed during the search, searchers generally tend to give a low priority to already cited [...]

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    My Love for Music helped me find prior art in IEEE 802.16 standard. Let me tell you how.
    By Team GreyB
    In Case Studies
    Posted September 6, 2019

    My Love for Music helped me find prior art in IEEE 802.16 standard. Let me tell you how.

    In our years of performing invalidation searches, there were often occasions when we found inspiration for prior art from the environment around us. There are way too many to link each of them, [...]

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    How We Designed a Series of Tests to Prove Patent Infringement Involving Text-to-Speech Products Made By Nuance and IBM
    By Team GreyB
    In Case Studies
    Posted September 6, 2019

    How We Designed a Series of Tests to Prove Patent Infringement Involving Text-to-Speech Products Made By Nuance and IBM

    Around 2017, we heard from an inventor who’d grown dissatisfied with the IP research firm he’d been working with. He owned a patent dating to 2005 that had to do with the automated conversion of [...]

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    How we used Electrical Signal Analysis to Reverse Engineer the various processes happening inside a smartphone?
    By Team GreyB
    In Case Studies
    Posted September 3, 2019

    How we used Electrical Signal Analysis to Reverse Engineer the various processes happening inside a smartphone?

    Recently, one of our regular clients contacted us with a project which required a Reverse Engineering based infringement analysis of cutting edge tech. This article discusses how we went about [...]

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    Patent infringement on a Fleet of Hybrid Vehicles
    By Team GreyB
    In Case Studies
    Posted August 31, 2019

    Patent infringement on a Fleet of Hybrid Vehicles

    A few years ago, as part of an ongoing relationship with a major U.S. defense contractor, we were asked to run a monetization analysis on a large patent portfolio, with an eye toward identifying [...]

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    How we Performed Reverse engineering of an OLED Display to Confirm Infringement?
    By Team GreyB
    In Case Studies
    Posted August 27, 2019

    How we Performed Reverse engineering of an OLED Display to Confirm Infringement?

    Did you know that an OLED is 200 times thinner than a strand of a human hair? The thickness of a strand of human hair is approximately 30 to 100 micrometers while that of an OLED is 100 to 500 [...]

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    We use Non patent literature to find relevant patents which can serve as kickass prior art. Here’s how we do it!
    By Team GreyB
    In Case Studies
    Posted August 13, 2019

    We use Non patent literature to find relevant patents which can serve as kickass prior art. Here’s how we do it!

    In the US, while presenting a piece of non-patent literature (NPL) as a valid prior art, the litigators have to overcome challenges of proving that the NPL was publicly accessible and that the [...]

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    The Case of winning an IPR at PTAB
    By Team GreyB
    In Case Studies
    Posted July 30, 2019

    The Case of winning an IPR at PTAB

    Old times were simple.  There was a plaintiff, who tried to sue a company, and then the company asked us to find some good prior art. We logged in to simple patent databases, many of which were [...]

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    How Machine Learning and Chinese Craigslist Helped Invalidate a Decade-Old Patent
    By Team GreyB
    In Case Studies
    Posted July 16, 2019

    How Machine Learning and Chinese Craigslist Helped Invalidate a Decade-Old Patent

    In 2016, a major Chinese smartphone manufacturer came to us with a problem. The company was being sued by a competitor, also based in China, for patent infringement, and they would soon have to [...]

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    How a Circuit We Designed Helped Solve a Prior Art Puzzle
    By Team GreyB
    In Case Studies
    Posted July 11, 2019

    How a Circuit We Designed Helped Solve a Prior Art Puzzle

    In 2017, we were approached by an attorney representing a large manufacturer of digital and analog computer chips that we’ll call Chip and Dale Corp. The company had recently been contacted by [...]

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    3 Instances Where We Invalidated Patents Infringed Under ITC Section 337
    By Team GreyB
    In Case Studies
    Posted January 29, 2019

    3 Instances Where We Invalidated Patents Infringed Under ITC Section 337

    Patent infringement has become a lot common in the past couple of decades. With increased interconnectivity among technologies and the existence of thousands of patents covering them, it has [...]

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    How We Found Prior Art For A Trade Secret Infringement Case Under ITC 337?
    By Team GreyB
    In Case Studies
    Posted January 8, 2019

    How We Found Prior Art For A Trade Secret Infringement Case Under ITC 337?

    How difficult is it to find a solution to a problem you know nothing about? Difficult? Very difficult? Preposterous, you say? No, we are not being ludicrous. Though less often, there are [...]

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    How checking Change requests helped us invalidate a patent related to Mathematical expression?
    By Team GreyB
    In Case Studies
    Posted November 27, 2018

    How checking Change requests helped us invalidate a patent related to Mathematical expression?

    The patent set was already exhausted. Searching on standards for hours started feeling like inside of a spiral that keeps tightening as you go down. In between, some references emerged undeniable [...]

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    How we found Prior Art of a Composition Patent for IPR?
    By Team GreyB
    In Case Studies
    Posted November 20, 2018

    How we found Prior Art of a Composition Patent for IPR?

    Not all prior art searches are run equally. Some are complex, some are easy, and some test your temperament by pushing you to the dark abyss of self-doubt where you question your abilities and [...]

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    Novelty Search in Videos – My journey from having nothing to a relevant art
    By Team GreyB
    In Case Studies
    Posted September 21, 2018

    Novelty Search in Videos – My journey from having nothing to a relevant art

    After a long and hard day at work, I like to come home to a steaming cup of coffee, with toasted marshmallows on top, chocolate chip cookies on the side and some entertainment source to get my [...]

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    How a Mobile App helped us find relevant Prior art in an invalidity search?
    By Team GreyB
    In Case Studies
    Posted September 18, 2018

    How a Mobile App helped us find relevant Prior art in an invalidity search?

    “Not today!” – I groaned as I woke up and saw the clock beside my bedside. It was 8:15 AM already and I had only 45 minutes to get to the office. I couldn’t afford to get late as I had a client [...]

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    How We Invalidated a Patent Related to Drones?
    By Team GreyB
    In Case Studies
    Posted July 24, 2018

    How We Invalidated a Patent Related to Drones?

    Drones fascinate me. They are wonderful tools of entertainment and transportation and has so much potential, which, if fully explored can change the way mankind transports. Technology companies [...]

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    How We found Prior Art in Non Patent Literature of University Publication?
    By Team GreyB
    In Case Studies
    Posted July 10, 2018

    How We found Prior Art in Non Patent Literature of University Publication?

    I was leaning in my chair while watching those bees through the steam of my coffee. They were four in number, flying from one plant to another, from one flower to next, collecting the sugary [...]

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    Physical Search: Unconventional Way to find Prior Art
    By Team GreyB
    In Case Studies
    Posted July 6, 2018

    Physical Search: Unconventional Way to find Prior Art

    Prior art can be found in a lot of places. Some conventional, others unimaginable yet a valid source of prior art – the unconventional one. As analysts, we are tuned to exhaust the conventional [...]

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    How we made the Plaintiff drop the Lawsuit against our Client?
    By Team GreyB
    In Case Studies
    Posted June 16, 2018

    How we made the Plaintiff drop the Lawsuit against our Client?

    Understanding the objective of the client goes a long way in customer satisfaction and retention. At GreyB, we are huge believers in fulfilling the objective of the client – rather than [...]

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    How Lateral Thinking Helped us in Invalidating a Standard Essential Patent on HDMI Technology?
    By Team GreyB
    In Case Studies
    Posted May 29, 2018

    How Lateral Thinking Helped us in Invalidating a Standard Essential Patent on HDMI Technology?

    Invalidating patents is hard. Invalidating a standard-essential patent (SEPs) is even harder. SEPs claim technical solutions that are part of industry standards. Needless to say, they are much [...]

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    Invalidating Design Patent: How we found Prior Art in a Museum?
    By Team GreyB
    In Case Studies
    Posted May 8, 2018

    Invalidating Design Patent: How we found Prior Art in a Museum?

    We find prior art in a lot of unconventional places. Sitcoms, Pop culture magazines, FCC ID databases, Internet archives – Well, almost every place where you would least think of finding prior [...]

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    How did we find Prior Art in a Sitcom?
    By Team GreyB
    In Case Studies
    Posted March 20, 2018

    How did we find Prior Art in a Sitcom?

    I’m a self-confessed fan of sitcoms and movies. A binge-watcher by nature, I often spend weekends endlessly staring at my laptop screen, with munchies on my side, so that I don’t have to hit [...]

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    Patent Invalidation – 4 Instances Where We Invalidated Patents using Unconventional Methods
    By Team GreyB
    In Case Studies
    Posted March 13, 2018

    Patent Invalidation – 4 Instances Where We Invalidated Patents using Unconventional Methods

    What exactly is the objective of an invalidation search? That’s an easy question. Of course, it is to find a result – one that discloses every aspect of the patent in question (Called as Tier I). [...]

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    How we found references in non patent literature without performing an NPL search?
    By Team GreyB
    In Case Studies
    Posted December 1, 2017

    How we found references in non patent literature without performing an NPL search?

    Prior art search is a big part of the work we do. When we started, we were convinced that prior art searches should never be run with a set framework where only the following few defined steps [...]

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    Prior art search – 4 Cases where finding reference was next to impossible
    By Team GreyB
    In Case Studies
    Posted September 26, 2017

    Prior art search – 4 Cases where finding reference was next to impossible

    Invalidation searches are not a cakewalk. That’s why a lot of time many prior art search service providers or your in-house team fail to return with a result you needed. Weak results or no [...]

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    How we found hint of a prior art in PTAB docs during a Patent Validity Analysis?
    By Team GreyB
    In Case Studies
    Posted August 29, 2017

    How we found hint of a prior art in PTAB docs during a Patent Validity Analysis?

    You will agree when I say it’s not always the hard work that leads you to success. Experience plays its sweet role by equipping you with abilities to make decisions that optimize and [...]

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    How we found solid prior art in obscure archives of FCC database?
    By Team GreyB
    In Case Studies
    Posted August 2, 2017

    How we found solid prior art in obscure archives of FCC database?

    “Searching prior art is not a process, it is an art.” In my 6 years of experience, I have been a part of ~250 patent invalidation processes. If it has taught me anything, it is that there are [...]

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    How We Helped Solve the Temperature Resistance Problem in Acrylate Adhesives?
    By Team GreyB
    In Case Studies
    Posted April 28, 2017

    How We Helped Solve the Temperature Resistance Problem in Acrylate Adhesives?

    We have tried to describe a problem-solution approach through this case study so that we can convey the advantages of such an approach. An exemplary technology has been used to convey how a [...]

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    How we used Reverse Engineering to confirm patent infringement?
    By Team GreyB
    In Case Studies
    Posted May 13, 2016

    How we used Reverse Engineering to confirm patent infringement?

    One of the major challenges faced by a patent licensing manager is to find and prove evidence of an infringement. Not so strong evidence of the use chart can become a standalone factor for the [...]

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    Invalidating Patents using Non Patent Literature – A Valuable Source of Prior Art
    By Team GreyB
    In Case Studies
    Posted February 16, 2016

    Invalidating Patents using Non Patent Literature – A Valuable Source of Prior Art

    Every day, as we take a step at making our life more digital, we facilitate digitization of our knowledge. Hundreds of documents, on a regular basis, are getting scanned, listed, indexed and made [...]

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    A Patent Prior Art Search is More Than Just Providing References!
    By Team GreyB
    In Case Studies
    Posted January 29, 2016

    A Patent Prior Art Search is More Than Just Providing References!

    Time and again, the prior art searches we conduct teach us new lessons. These lessons not only help us add new rules to our little black book of prior art searching but also point us to the true [...]

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    Patentability Searches: How we Repeatedly Find a Needle in a Haystack
    By Team GreyB
    In Case Studies
    Posted December 12, 2015

    Patentability Searches: How we Repeatedly Find a Needle in a Haystack

    I love patent search, not because I’ve expertise in the area or I find them easy to conduct, but because it helps me to make my contribution in making the patent world unambiguous. I get an [...]

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    Client Satisfaction – A Saying or An Experience
    By Team GreyB
    In Case Studies
    Posted October 7, 2015

    Client Satisfaction – A Saying or An Experience

    We work on a lot of IP commercialization projects. If you ask, what is our motto when we are working on such projects, we would say: “At GreyB, we are committed to help our clients monetize their [...]

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    Invalidating a Composition Patent? This is how we did.
    By Team GreyB
    In Case Studies
    Posted February 2, 2015

    Invalidating a Composition Patent? This is how we did.

    OBJECTIVE The patent under study was related to a cigarette filter having gas adsorbing material and certain specific composition requirements. Our objective was to invalidate the patent [...]

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    Invalidation Search – How We Cracked The Toughest Case We Came Across?
    By Team GreyB
    In Case Studies
    Posted February 2, 2015

    Invalidation Search – How We Cracked The Toughest Case We Came Across?

    We received a request from a client to invalidate a patent that is related to the concept of a random access procedure. More specifically, the patent was talking about a specific equation. [...]

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    How we Invalidated a Wireless Communication Patent using Standards?
    By Team GreyB
    In Case Studies
    Posted February 2, 2015

    How we Invalidated a Wireless Communication Patent using Standards?

    OBJECTIVE The patent that we received from the client was related to Wireless communication and covered the process for handling lower priority communication traffic. STORY This time, we thought [...]

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    Invalidation Search – How to find better results than an examiner during prosecution?
    By Team GreyB
    In Case Studies
    Posted February 2, 2015

    Invalidation Search – How to find better results than an examiner during prosecution?

    OBJECTIVE:  We had to invalidate a patent related to an audio player that had one important feature. Also, the client wanted to make his position stronger in the Inter Partes Review. STORY: This [...]

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    The information contained in this website is for general information purposes only. The information is provided by GreyB and while we endeavour to keep the information up to date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information, products, services, or related graphics contained on the website for any purpose. Any reliance you place on such information is therefore strictly at your own risk.

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