# Opposition brief drafter
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Draft opposition briefs and responsive memoranda by systematically analyzing the movant's arguments, identifying legal and factual weaknesses, marshaling contrary evidence, and constructing counter-arguments.

Draft opposition briefs and responsive memoranda by systematically analyzing the movant's arguments, identifying legal and factual weaknesses, marshaling contrary evidence, and constructing counter-arguments. Use when opposing motions to dismiss (Rule 12(b)), summary judgment (Rule 56), motions in limine, preliminary injunctions, or other dispositive and non-dispositive motions. Covers argument deconstruction, genuine dispute identification, evidentiary marshaling, authority counter-research, burden analysis, and persuasive brief drafting. Supports US federal (FRCP), England & Wales (CPR), and Australia (Federal Court Rules) with jurisdiction-agnostic baseline and [JURISDICTION-SPECIFIC] markers. Produces court-ready opposition briefs with IRAC/CRAC structure, point headings, authority citations, and Glass Box audit trail.

This skill drafts opposition briefs and responsive memoranda by systematically analyzing the movant's brief, identifying weaknesses in their arguments, marshaling contrary facts and law, and constructing persuasive counter-arguments. The skill applies established legal writing frameworks (IRAC, CRAC, CREAC), standards for burden allocation, and effective advocacy strategies to produce court-ready responsive briefs. The skill operates in three primary modes: 1. **Full Draft Mode**: Generates a complete opposition brief from the movant's brief, record materials, and legal research — including introduction, statement of issues, statement of facts, argument sections with point headings, and conclusion. 2. **Argument Development Mode**: Develops specific counter-arguments in response to identified arguments from the movant's brief, producing IRAC-structured responses with authority and evidentiary support. 3. **Strategy Analysis Mode**: Analyzes the movant's brief to identify exploitable weaknesses, concessions, and gaps without producing full drafted content — used for early opposition planning. **Covers:** - **Argument deconstruction**: Breaking down movant's arguments to identify logical gaps, unsupported assertions, and authority weaknesses - **Genuine dispute identification**: Finding material fact disputes that preclude summary judgment - **Evidentiary marshaling**: Organizing record evidence to support counter-arguments and create genuine issues - **Authority counter-research**: Identifying distinguishing cases, negative treatment of cited authority, and favorable precedent - **Burden ...

## Jurisdictions

Global



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