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🔀 Perdura IP Litigation Series

Parallel Proceedings Coordination

A Checklist for Multi-Forum IP Litigation

Evidence inconsistencies between parallel proceedings undermine credibility in all of them.

  • Appoint a cross-border evidence coordinator — one person, clear authority
  • Establish a master evidence repository — single source of truth, access controls
  • Monitor for evidence inconsistencies — production matrix, pre-production check
  • Coordinate timing of evidence disclosures — US discovery, public filings
  • Coordinate expert evidence across jurisdictions — consistency, availability
  • Prepare a master proceedings timeline — weekly update, all counsel
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1
Master repository required
All jurisdictions must draw their evidence from a single source of truth. Locally held copies create inconsistency risk. The master repository is the only authoritative version of the evidence.
Weekly
Proceedings timeline update
A master proceedings timeline — mapping all deadlines, productions, and hearings across all jurisdictions — must be maintained and circulated to all counsel weekly during active litigation.
UK
Most active anti-suit forum
UK courts are the most active issuers of anti-suit injunctions in IP proceedings. When UK proceedings are filed alongside proceedings in other jurisdictions, anti-suit risk must be assessed immediately.
Key Principle
Evidence inconsistencies between parallel proceedings — even a different crop of the same screenshot produced in two different courts — will be identified by opposing counsel and used to attack credibility in all forums simultaneously.
What's Inside

7 steps for multi-forum coordination.

I Appoint a Cross-Border Evidence Coordinator — one person, clear authority
II Establish a Master Evidence Repository — single source of truth, access controls
III Monitor for Evidence Inconsistencies — production matrix, pre-production check
IV Coordinate Timing of Evidence Disclosures — US discovery, public filings
V Manage Anti-Suit Injunction Risk — monitor, preserve, accelerate
VI Coordinate Expert Evidence Across Jurisdictions — consistency, availability
VII Prepare a Master Proceedings Timeline — weekly update, all counsel