Case Defender: CitationDefender & DocketDefender
CitationDefender checks a lawyer's case citations. For each cited case and claimed holding, it compares what other courts say the case held with what the opinion actually says. It rejects almost every hallucinated citation and flags questionable matches with specific advisories: polarity inversion, scope inflation, factual mutation, dropped exceptions.
DocketDefender builds on it for the whole matter. It grades each new document added to the docket (a brief, an opposing filing, a ruling or a draft motion), identifies its central argument, and checks whether it contradicts earlier filings.
- The trust boundary is built into the architecture. Deterministic comparators may pass, refuse or escalate; a language model may only refuse, escalate or decline to object. It can never turn an unresolved check into a pass
- Corpus of 3.27M holding paraphrases written by courts, covering about 274k federal cases, plus 3.3M embedded opinion sentences. No model-written text is treated as authoritative
- Google Docs add-on: scans a brief in under 100 ms, with a deeper per-citation check on demand
- U.S. provisional patent application 64/139,761 (Aug 2026)