Patent Invalidity Search Services | InventionIP
                     Patent Invalidity Search Services
Ensuring Stronger IP Strategies Through Comprehensive 
Prior Art Analysis
InventionIP
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Introduction to Patent Invalidity Search
● A Patent Invalidity Search is a detailed investigation to 
identify prior art that may challenge the validity of an existing 
patent.
● Importance: Helps businesses, legal teams, and innovators 
contest or defend patent claims effectively.
● Objective: To locate prior art (patents, publications, or other 
disclosures) that predates the filing date of the subject patent.
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Why Patent Invalidity Searches Are Essential?
● Challenging Competitor Patents: To invalidate patents that 
restrict business operations.
● Defensive Strategy: To protect against infringement lawsuits.
● Due Diligence in Licensing & Acquisition: To ensure strong 
IP investment decisions.
● Patent Portfolio Management: To assess the strength of 
owned and competitor patents.
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When to Conduct a Patent Invalidity Search?
1. Before Litigation: To challenge the validity of an asserted 
patent.
2. During Patent Licensing or M&A: To verify the strength of an IP 
portfolio.
3. After Receiving a Cease & Desist Notice: To evaluate potential 
legal defenses.
4. Before Filing an Opposition: In post-grant opposition 
proceedings (e.g., USPTO Inter Partes Review).
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Key Steps in a Patent Invalidity Search
1. Understanding the Patent Claims: Analyzing claims and their 
scope.
2. Identifying Key Search Parameters: Filing date, priority date, 
jurisdiction, technical field, etc.
3. Conducting a Prior Art Search: Searching patents, non-patent 
literature, research papers, etc.
4. Analyzing and Evaluating Prior Art: Comparing references 
against the patent claims.
5. Preparing a Detailed Invalidity Report: Documenting findings, 
legal interpretations, and references.
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Sources for Patent Invalidity Searches
● Patent Databases: USPTO, EPO, WIPO, Google Patents, 
etc.
● Non-Patent Literature (NPL): Journals, research papers, 
technical documents.
● Industry Publications & Standards: IEEE, ISO, regulatory 
filings.
● Archived Web Content & Product Manuals: Digital libraries, 
corporate websites, product disclosures.
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Challenges in Conducting Patent Invalidity 
Searches
● Finding the Most Relevant Prior Art: The vast volume of 
global patents and publications.
● Language Barriers: Non-English patents and documents.
● Legal & Technical Complexities: Understanding nuanced 
claim language.
● Time Sensitivity: Strict deadlines for litigation and opposition 
proceedings.
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How InventionIP Delivers Effective Patent 
Invalidity Searches
● Comprehensive Search Approach: Advanced AI-powered 
and manual searches.
● Global Coverage: Access to multiple patent databases and 
non-patent literature.
● Expert Analysis: IP professionals with legal and technical 
expertise.
● Actionable Reports: Well-structured, detailed, and litigation-
ready reports.
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Case Study / Success Story
● Case Study 1: Successfully identified prior art that invalidated a 
competitor’s patent, saving the client millions in potential damages.
● Case Study 2: Helped a startup contest a patent infringement lawsuit 
with strong prior art evidence.
● Case Study 3: Provided an in-depth invalidity search for a client in an 
M&A deal, ensuring informed IP investment decisions.
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Let's Get Started
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