Home / Services / Patent Search Services / Invalidity Contentions
Turn Weak Invalidity Contentions into Winning Arguments
A single missed prior art reference or weak argument could be the difference between success and failure. Ensure your contentions are airtight, well-researched, and backed by solid legal reasoning.
Lawfirms impressing clients with our help































Complete litigation support from start to end.
Pitch summary document
Claim Construction Support
Litigation Grade Prior Art Search & System Prior Art Search
Search Results Analysis Support
Invalidity Contention Preparation
Expert Report Preparation
Damages Report – Technical Support
Where GreyB can help?

Comprehensive Prior Art Search
Detailed Claim Mapping
The detailed claim charts align each claim clause with relevant prior art. These are drafted to meet litigation standards, supporting invalidity contentions with technical and legal accuracy.


Legal Argumentation and Drafting
Expert Consultation and Testimony


Strategic Use of Legal Precedents
Secondary Considerations (Graham Factors)

Why work with GreyB?
Save your expensive time to be more competitive
Strengthen litigation process and reduce delays
Collaborative approach
Iterative Review and Refinement
Alignment with Overall Case Strategy
Coordination with Expert Witnesses
How We Exceed Your Expectations, Every Step of the Way


Tier 1 being highly relevant and anticipated as 102 prior art, tier 2 anticipated as 103 and tier 3 the category A arts.
Overlaps based on the concepts located in prior art, not the word matching and are supported with analyst comments to make the interpretations crystal clear.

Major areas where we work
Talk to our Leaders With 1500+ Open Innovation Triumphs.
Assistant Vice President
Assistant Vice President
Group Manager
Exceptional Team, Rewarding Results.
GreyB’s team brought a refreshingly interactive approach to our 5G wireless invalidation project. I wasn’t used to it, but it worked well. Arjun kept things organized and on track. Preetika, the technical lead, was well-prepared with highlighted passages during our interim discussions. That made it easy to follow, even with limited prep time. GreyB clearly […]
|
Arjun and his team delivered top-notch service on the invalidation search project. They kept us informed throughout the process and provided very useful interim reports with high quality technical discussions to achieve an excellent result. It was a seamless project from beginning to end.

1. The report and the additional helpful comments in your emails were easy to understand and read through. I did not need any extra clarifications. 2. I also appreciate the intermediate checks and sharing of the preliminary results from your end before the delivery of the final results – it was a good strategy to […]
|
I’ve worked with GreyB for several years, mostly for patent invalidity searches, and recommend GreyB for high-quality, in-depth prior art searching. GreyB is very professional in their approach. Especially helpful is the way they share the updates on rolling basis and team’s ability to quickly adapt based on my feedback during these rolling updates. The […]
|
It’s been a pleasure working with Anupam and his team. They are responsive, efficient, and knowledgeable. They are good at understanding the needs and tailoring a project to meet those needs.
|

I have been working with Anupam and GreyB for many years now and have had great experiences on every project we have worked on together. They are responsive, timely and the work product usually goes above and beyond expectations. The team approach used at GreyB means that they are able to work on projects of […]
|
Thank you, it was my pleasure. Adam Seitz recently hired 12 separate search firms to work on a very large project with many patents and difficult subject matter, and the feedback from the team was very positive with respect to GreyB compared to many other good firms. In short, you earned the recommendation!
|
Vik has coordinated several prior art search projects for us. He assembled a skilled, technical team with proficiency in the technology and was proactive throughout the process in reaching out to go over interim results for feedback to guide further searching. Their team was highly responsive and diligent, working on our expedited timeline, and remain […]
|
It’s rare to come across anyone with the commitment to top-notch customer service that Vik and his team at GreyB have. From our first meeting to the end of every project, Vik and his team work tirelessly to tailor their prior art searches to deliver exactly what we’re looking for. I’ve been impressed not only […]
|

Vik and his team at GreyB have done a number of prior art searches for my clients. I have been impressed across the board. The substantive results were top-notch, but what I appreciated just as much was the quality of communication with the GreyB team. They frequently provided interim search results, made themselves available for […]
|
Trusted Resources

Want to know more?
Get In Touch For Instant Answers.