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LexDana

Patent dispute research platform tracking claim interpretations and legal positions across proceedings with source-linked evidence.

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Product Overview

What is LexDana?

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LexDana organizes patent dispute records into a searchable history of claim interpretations, legal positions, and rulings. Built on Patexia’s patent data, it connects prosecution, PTAB, ITC, district court, and Federal Circuit records to help legal teams trace earlier arguments and identify inconsistencies. Answers link to document pages and lines for verification. Patent litigation analytics are live, claim construction tools are in alpha, and expanded life sciences coverage is coming soon.


Key Features

  • Cross-Forum Record Tracking

    Connects patent prosecution and dispute records to show how claim interpretations and legal positions change across proceedings.

  • Verifiable Source Citations

    Anchors answers to specific document pages and lines so researchers can check the underlying evidence.

  • Claim Construction Research

    Surfaces prior claim interpretations, narrowing statements, and disclaimers from prosecution and PTAB records through tools currently in alpha.

  • Patent Litigation Analytics

    Provides live research into filing trends, win rates, judge patterns, law firm activity, and expert declarants.

  • Established Patent Data

    Uses Patexia’s corpus with 16 years of patent coverage to support historical research and dispute analysis.


Use Cases

  • Claim Construction Preparation : Find earlier statements that may affect claim scope before preparing a Markman brief.
  • Inconsistent Position Research : Compare arguments across proceedings to identify conflicting positions taken by a patent owner.
  • Litigation Landscape Analysis : Research active companies, firms, judges, and experts to understand the landscape surrounding a patent dispute.
  • Patent Due Diligence : Review dispute histories and prior claim positions to inform in-house IP assessments and acquisition diligence.
  • Matter History Reconstruction : Assemble a cited history of a patent’s proceedings without rebuilding the record separately for each new legal team.

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