Case Summary - Thomson v. Ross

United States District Court Case Overview

Case Information

  • Court: United States District Court for the District of Delaware

  • Plaintiffs: Thomson Reuters Enterprise Centre GmbH and West Publishing Corp.

  • Defendant: Ross Intelligence Inc.

  • Docket Number: No. 1:20-cv-613-SB

  • Judges: Circuit Judge Bibas

  • Date of Opinion: February 11, 2025

Summary of Legal Proceedings

Introduction

  • The memorandum opinion reflects a revision to a prior 2023 summary judgment opinion.

  • Acknowledges the necessity for wisdom in legal judgment: "A smart man knows when he is right; a wise man knows when he is wrong."

  • The current ruling revises prior conclusions to better align with legal findings.

Summary Judgment Decisions

  • Granted:

    1. Most of Thomson Reuters' motion for partial summary judgment on direct copyright infringement and related defenses (D.I. 674)

    2. Thomson Reuters' motion for partial summary judgment on fair use (D.I. 672)

  • Denied:

    • Ross’s motion for summary judgment on fair use (D.I. 676)

    • Ross's motion for summary judgment on Thomson Reuters' copyright claims (D.I. 683)

Case Background

Legal AI Tool by Ross Intelligence

  • Context: The legal landscape is transitioning towards digital research platforms with rising demand for AI tool integration.

  • Plaintiff's Platform: Thomson Reuters operates Westlaw, a dominant legal research service providing access to:

    • Case law, state and federal statutes, state and federal regulations, law journals, and treatises.

    • Editorial content and annotations, specifically headnotes summarizing key legal points and case holdings.

  • Content Organization: Westlaw is organized using the Key Number System, a numerical system for categorizing legal issues.

  • Copyright Ownership: Thomson Reuters holds copyrights on the copyrightable content on Westlaw.

Competitive Offering by Ross Intelligence

  • Ross Intelligence created a legal research search engine leveraging AI.

  • Data Requirement: To train their AI tool, Ross required a database of legal questions and answers.

  • Licensing Attempt: Ross sought a licensing agreement from Thomson Reuters but was denied due to competitive concerns.

  • Alternative Data Source: Ross partnered with LegalEase to utilize “Bulk Memos” which contained compilations of legal questions linked to answers.

    • LegalEase's method mandated attorneys to formulate questions inspired by Westlaw headnotes without direct copying.

  • Usage of Bulk Memos: Ross purchased approximately 25,000 Bulk Memos for AI training, which included content derived from Westlaw headnotes.

Copyright Infringement Suit

  • Upon discovering the use of Bulk Memos, Thomson Reuters initiated a copyright infringement lawsuit against Ross.

    • In 2023, various motions for summary judgment were considered, predominantly against Thomson Reuters' claims.

  • Judgment Revision: With the impending trial in August 2024, strategic review of the case led to the renewal of motions for summary judgment and subsequent revisions of prior rulings.

Legal Standards and Findings

Summary Judgment Criteria

  • Summary judgment is applicable when there is "no genuine dispute as to any material fact" as per Federal Rules of Civil Procedure Rule 56(a).

  • The court must consider facts and make reasonable inferences in favor of the nonmovant.

Key Findings of Law

Direct Copyright Infringement

  • Elements for Claim:

    1. Ownership of a valid copyright by Thomson Reuters.

    2. Evidence that Ross copied protectable elements of the copyrighted work.

    • Copyright Validity: Presumed valid if registrations were made before or within five years of first publication (17 U.S.C. §410(c)).

    • Thomson Reuters possesses valid copyright registrations for Westlaw resources dating from 1981 to 2019.

Analysis on Copying

  • Actual Copying: Evidence must establish that Ross used Thomson Reuters's copyrighted material.

  • Substantial Similarity: Evaluates if the copied work materially appropriates the copyrighted work.

Factual Dispute Resolution

  • The Court deferred a portion of factual disputes to be resolved by a jury regarding:

    • Validity of individual headnotes.

    • Specific instances of copyright infringement based on claims of expired copyright.

Granting Summary Judgment

  • Total Headnotes Infringed: 2,243 headnotes were determined to be infringed upon after analysis.

  • Thus, summary judgment was granted in favor of Thomson Reuters on actual copying concerning these specific headnotes.

Fair Use Defense Analysis

Four Fair Use Factors

  1. Purpose and Character of Use: Commercial versus nonprofit character weighs heavily.

    • Ross’s use was commercial, aimed at profiting through a competing legal service.

  2. Nature of the Copyrighted Work: Focus on creativity; while Westlaw's materials have originality, they are not excessively creative.

  3. Amount of Work Used: Amount and substantiality comparison to the whole work; Ross did not include heads in the final output offered to the public.

  4. Market Effect: Evaluates how copying affects the market for the original work – more applicable to derivative markets like AI data training.

    • Ross’s usage created direct competition and did not justify a fair use claim.

Conclusion on Fair Use

  • Overall: Factors one and four leaned towards Thomson Reuters while two and three leaned towards Ross.

    • However, given the weight of the factors, especially the market impact, summary judgment on fair use was granted to Thomson Reuters.

Final Court Orders

  • Summary:

    1. Approve partial summary judgment for Thomson Reuters on direct copyright infringement.

    2. Approve partial summary judgment for Thomson Reuters on fair use.

    3. Deny Ross’s motion for summary judgment on fair use and copyright claims.

  • Next Steps: The remaining issues of invalidated copyrights and specific headnotes attributed to Thomson Reuters shall be determined by a jury trial.