Uncover Prior Art to Challenge Patent Validity and Strengthen Your Legal Position
MaxVal delivers advanced patent invalidity search services designed to identify prior art that can challenge the validity of issued patents and strengthen your position in litigation, licensing, and strategic negotiations.
Patent disputes often hinge on the strength or weakness of the patent claims. A single relevant prior art reference can significantly impact litigation outcomes or negotiation leverage.
Our invalidity searches combine deep technical expertise, legal understanding, and AI-powered analytics to uncover defensible, high-impact evidence.
Identify prior art that can invalidate or weaken asserted patent claims.
Assess patent strength and negotiate from a position of insight and confidence.
Avoid costly settlements or damages by proactively challenging weak patents.
Build strong cases for IPR, opposition, and re-examination.
Evaluate patent strength in M&A, investments, and portfolio acquisitions.
A patent invalidity search is a comprehensive investigation to identify prior art that can demonstrate that a granted patent is not novel or is obvious, and therefore should not have been granted.
It focuses on:
If relevant prior art exists, the patent may be rendered invalid and unenforceable. (Patent attorney worldwide)
Patent invalidity searches are among the most strategic tools in IP:
A well-executed invalidity search can save millions and reshape competitive dynamics.
MaxVal provides end-to-end invalidity search services tailored to high-stakes use cases:
Global coverage across patent and non-patent literature.
Detailed mapping of prior art to specific patent claims.
Review of examiner citations, prosecution strategy, and prior disclosures.
Advanced tools for semantic search, clustering, and faster discovery.
Reports structured to support legal arguments and strategy.
From rapid “knockout” searches to deep-dive invalidity studies.
Review claims, specifications, prosecution history, and citations.
Use keywords, classifications (IPC/CPC), citation analysis, and semantic search.
Search across:
Align prior art references directly with specific claim elements.
Provide structured, evidence-backed insights ready for legal use.
MaxVal’s invalidity reports are designed for legal defensibility and strategic clarity:
Reports are tailored for litigation teams, IP counsel, and decision-makers.
Effective invalidity searches require deep and diverse data coverage.
We analyze:
Non-patent literature is often critical in uncovering hidden or overlooked prior art.
MaxVal combines:
This ensures:
Flexible Engagement Models – Tailored to your timeline and requirements
Invalidity searches are especially critical in high-value, high-litigation industries.
Challenge asserted patents in infringement lawsuits.
Support IPR, opposition, and re-examination.
Assess patent strength before entering agreements.
Identify weak patents in portfolios or acquisition targets.
Challenge: Client faced a patent infringement assertion from a competitor
Solution: Conducted targeted invalidity search focusing on asserted claims
Outcome: Identified prior art that weakened patent claims → improved negotiation position and reduced legal risk
A search conducted to identify prior art that can challenge the validity of a granted patent.
A patentability search evaluates new inventions, while an invalidity search challenges existing patents.
Typically 5–15 business days, depending on complexity and depth.
No, but they provide critical evidence to support legal arguments and proceedings.
Strengthen your legal strategy with defensible prior art insights
