Anthropic asks court to restrict Reddit’s AI team from Claude’s trade secrets
Anthropic says Reddit's internal AI work makes some in-house counsel a competitive risk during discovery.
By Ryan Merket · Published
RUNTIMEWIRE INVESTIGATION — Scoop
Original reporting by RuntimeWire, based on documents, public records.
Why it matters
The ruling could determine whether AI companies facing training-data suits must expose model internals to lawyers who also advise a plaintiff's AI business.
Reporting record
Finding
Anthropic is asking a San Francisco judge to restrict which Reddit lawyers and experts can see its most sensitive model architecture, training data, and source code, citing Reddit's own plans to build foundational LLMs.
How we verified
Methods: documents, public records.
Anthropic's Aug. 27 opposition says seven protective-order and ESI terms remain disputed. It seeks restrictions on Reddit in-house counsel involved in AI strategy, a carveout for experts developing competing LLMs or tools that compromise LLMs, source-code-level protection for certain dataset identifiers, secure inspection of training data, printing limits, narrower TAR disclosure rules, and narrower preservation duties for legacy data. Reddit's Aug. 14 declaration says production was deferred until the orders are entered and that the parties reached impasse on Aug. 6.
Reviewed the Aug. 27, 2026 Anthropic opposition, Reddit's Aug. 14 declaration and exhibits, the parties' proposed protective-order and ESI language, meet-and-confer correspondence, Reddit's SEC filing, and Reddit's 2026 Staff Research Engineer job posting. Compared the competing provisions and reconstructed the negotiation timeline. Verified the case number, Sept. 10 hearing date, time, judge, and department from the filed documents. Party arguments are attributed as arguments, not treated as court findings.
Tested versions:
- N/A - court filings and public records
Reproduction
Reproduction does not apply to this reporting (document-driven).
Open the San Francisco Superior Court case portal for CGC-25-625892 and locate Anthropic's opposition, transaction ID 80484889. Compare the Aug. 27 opposition with Reddit's Aug. 14 declaration and proposed protective-order and ESI terms. Focus on PO paragraph 17(c), PO paragraph 17(d), PO paragraph 18(a), PO paragraph 23, ESI Protocol paragraph 12, ESI Protocol paragraph 24, and Appendix I paragraph (d).
Company response
The company was not contacted before publication.
Anthropic is asking a San Francisco judge to bar Reddit lawyers involved in AI strategy from seeing the most sensitive evidence about Claude's architecture, training and operation.…