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Lex Machina's Patent Litigation Report 2022 looks at patent litigation trends in federal district court. It focuses on the three-year period from 2019 to 2021 and discusses emerging trends in ANDA cases, PTAB cases, and appellate outcomes in patent litigation. This report is the first to include the new Legal Analytics on federal appellate litigation.

The report covers the following analytics:

  • Case Filings (including ANDA, PTAB, and federal appellate cases)
  • Top Districts
  • Top Judges
  • Most Active Parties (including general patent and PTAB cases)
  • Most Active Law Firms (including general patent and PTAB cases)
  • Timing
  • Case Resolutions (including general patent cases PTAB cases)
  • Findings
  • Damages

To see some of the key findings in the report, view our infographic.

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If you are a current Lex Machina customer, please do not register, but simply go to and download the report directly.