Patent Invalidity Search | Patent Validity & Invalidity Search Services by IIP Search
                     Patent Invalidity Search
Ensuring the Strength and Enforceability of Your Intellectual Property
Trusted Partner for Comprehensive Patent Research & Analysis
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Patent Validity & Invalidity Search
A Patent Validity or Invalidity Search is a high-precision investigation that 
evaluates whether a granted patent truly meets the criteria of novelty and 
non-obviousness.
 Patent Validity Search: Conducted by patent owners to confirm the 
strength and enforceability of their patents before licensing, litigation, 
or investment.
 Patent Invalidity Search: Conducted by competitors or litigants to 
identify prior art that can invalidate an existing patent.
These searches are crucial in today’s competitive innovation ecosystem 
where patent rights directly influence market advantage, product 
clearance, and investment value.
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Why Patent Invalidity Searches Are Critical
Conducting a Patent Invalidity Search is not just a defensive action — 
it’s a strategic necessity.
• Protect Your Business Interests: Identify weak patents that might 
pose legal threats or hinder product launches.
• Strengthen Litigation Defense: Use prior art evidence to challenge 
patents in court or during PTAB proceedings.
• Enhance Licensing and Negotiations: Validate the true worth of 
patents before investing or entering licensing deals.
• Ensure Innovation Freedom: Detect prior disclosures to safely 
navigate around competitors’ IP.
• Support R&D Planning: Direct your innovation efforts where valid 
patent protection is attainable.
Insight: Nearly 40% of U.S. patents challenged in court are found invalid 
due to overlooked prior art — making early and accurate invalidity 
searches indispensable.
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When to Conduct a Patent Search
Organizations and inventors should consider these searches at critical IP 
milestones:
• Post-Grant Phase: To confirm enforceability or prepare for potential 
opposition proceedings.
• Pre-Licensing or Acquisition: Validate patents’ commercial and 
legal strength before making financial commitments.
• During Infringement Litigation: To uncover prior art that can 
invalidate an opposing party’s claims.
• For Competitive Strategy: To challenge rival patents blocking your 
market entry or innovation.
• Before Product Launch: Ensure freedom to operate by identifying 
patents that may not be as strong as they appear.
Each scenario demands a customized search strategy, and IIP Search 
tailors its methodology to meet those precise needs.
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IIP Search’s Proven Approach
At IIP Search, every validity or invalidity search follows a structured, 
research-intensive methodology designed for accuracy and legal 
defensibility.
1. Comprehensive Claim Analysis
We dissect each claim in the subject patent to understand its inventive scope 
and legal boundaries.
2. Strategic Search Planning
Our experts create precise search strings combining keywords, CPC/IPC 
classifications, citations, and inventor data.
3. Global Prior Art Search
We explore worldwide patent and non-patent literature across all major 
databases and regional archives.
4. Detailed Claim Mapping
Every relevant document is analyzed and mapped against claim elements to 
pinpoint potential invalidating disclosures.
5. Actionable Reporting
Final reports include claim charts, visual mappings, and clear interpretations, 
providing solid evidence for legal teams or decision-makers.
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Search Coverage & Resources
We believe in depth, diversity, and precision in every search we 
conduct.
Databases Covered
• Patent Sources: USPTO, EPO, WIPO, JPO, CNIPA, KIPO, INPI, etc.
• Non-Patent Literature: IEEE, Elsevier, Springer, ResearchGate, 
Google Scholar, conference papers, product catalogs, and manuals.
Search Techniques
• Boolean, proximity, and citation-based queries
• AI and semantic search models
• Multilingual search capabilities (English, Japanese, German, Chinese, 
etc.)
• Legal status and family tracking for complete insights
With access to over 100+ patent and literature databases, our 
analysts deliver globally comprehensive results that go beyond 
conventional keyword matching.
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Deliverables You Receive
Our Patent Validity & Invalidity Search Reports are designed for 
clarity, evidence, and legal readiness.
Standard Deliverables:
• Executive summary of findings and analysis outcomes
• Claim-to-prior-art mapping with claim charts
• Annotated documents and highlighted disclosures
• Search strategy documentation for reproducibility
• Database coverage, publication numbers, and legal statuses
Optional Enhancements:
• Attorney-reviewed validity opinions
• Patent family and citation relationship analysis
• Customized visual dashboards for portfolio-level assessment
Each report is clear, detailed, and litigation-ready, enabling confident 
decision-making for R&D, legal, and business teams.
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Case Study
Client: Global Consumer Electronics Manufacturer
Challenge: A competitor’s U.S. patent blocked the client’s new product launch.
Objective: Identify prior art that could invalidate the competitor’s key patent 
claims.
Our Solution:
• IIP Search executed a comprehensive global invalidity search covering 
U.S., Korean, and European patent archives, along with non-patent technical 
papers.
• Our team uncovered a Korean patent and a conference publication 
predating the claimed invention.
Result:
• The opposing patent was invalidated during PTAB proceedings.
• The client successfully launched the product and avoided multi-million-dollar 
litigation exposure.
Impact: This outcome reinforced the client’s IP strategy and validated IIP 
Search’s reputation as a trusted partner in critical patent litigation support.
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Contact Us
Get in Touch
Contact Details:
▪ Phone:  +1 832 426 3605
▪ Email: [email protected]
▪ Website: iipsearch.com
Schedule a consultation or request a quote today to learn how we can 
assist with your IP needs.
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