Patent Invalidity Search

Patent Invalidity Search
A patent invalidity search uncovers prior art that can challenge the novelty or validity of an existing patent. Our deep global searches help identify strong evidence to support litigation, opposition, or freedom-to-operate strategies while minimizing legal risk.
Litigation-ready evidence
Strong prior art discovery
Patent challenge support
Risk mitigation insights

Why this service matters

Invalidity searches are essential when defending against patent assertions, challenging competitor patents, or supporting legal disputes. Identifying earlier disclosures can invalidate claims and significantly impact litigation outcomes, licensing negotiations, or market entry decisions.

Our approach

We conduct exhaustive searches across global patent and non-patent literature, historical archives, technical publications, and obscure sources. Our analysts focus on claim element mapping and timeline validation to uncover prior disclosures that can weaken or invalidate asserted claims.

Deliverables

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Invalidating prior art references
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Claim-to-prior art mapping
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Evidence documentation report
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Search methodology summary
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Patent validity assessment
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Litigation support insights

Challenge Patent Validity with Strong Evidence

Speak with our experts to uncover prior art and support your patent strategy.

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Awards & Recognition
Recognized for excellence, reliability, and innovation in delivering high-quality IP research and analytics services to global clients.

Comprehensive IP Research & Analytics Services

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Patent Searches

  • Patent Novelty / Prior Art
  • Patent Invalidity
  • Freedom-to-Operate
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Patent Landscape

  • Landscape & Analytics
  • Technology Insights
  • Competitor Mapping
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Litigation Support

  • Claim Charts
  • Evidence Mapping
  • Opposition Support
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IP Strategy

  • Portfolio Strength
  • Risk Mitigation
  • FTO Strategy
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Evidence & Reports

  • Technical Reports
  • Prior Art Mapping
  • Search Documentation