WunderChatValidity Analysis
Assess patent validity and find invalidating prior art. Prepare strong opposition cases with AI-powered research aligned to European patent law.
Watch how WunderChat performs a validity analysis in real-time
Validity Assessment
Evaluate patent validity by finding prior art that anticipates or renders obvious the claimed invention.
Deep Prior Art Search
AI-powered search across patents and non-patent literature to find invalidating references.
EPO Opposition Support
Prepare opposition filings with comprehensive prior art analysis aligned to EPO standards.
How it works
Input target patent
Provide the patent you want to analyze. Specify claims of interest.
AI finds prior art
WunderChat searches for anticipating and obviousness-type prior art references.
Build your case
Review findings, analyze combinations, and prepare opposition arguments.
Features
Challenge patents effectively
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