# Draft Opposition Summary Judgment Patent > Opposition to a motion for summary judgment in patent infringement litigation, based on the trial record, expert reports, deposition testimony, and briefing guidelines. - Skill: `finchipaiorg/draft-opposition-summary-judgment-patent` (Agent Skill) - Install (CLI): `npx skillmds@latest add finchipaiorg/draft-opposition-summary-judgment-patent` - Raw SKILL.md: https://api.skillmd.com/api/skills/finchipaiorg/draft-opposition-summary-judgment-patent/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: FinchipAIOrg (https://skillmd.com/u/finchipaiorg) - Updated: 2026-09-22 - Page: https://skillmd.com/skills/finchipaiorg/draft-opposition-summary-judgment-patent --- # Skill: Draft Opposition to Summary Judgment in Patent Infringement Litigation ## 1. Subject-matter triage - Identify the asserted patents, challenged claims, accused products, and the exact summary-judgment theories being advanced. - Read the claim construction order first; the opposition must track the court’s constructions, not the parties’ preferred meanings. - Determine whether the motion attacks infringement, noninfringement, invalidity, damages, or more than one theory, and organize the response in the same order as the motion. ## 2. Failure modes the skill is correcting - Treating summary judgment as a persuasion exercise instead of a record-driven dispute analysis; the brief must identify specific evidence creating a genuine dispute of material fact. - Responding in the abstract rather than element-by-element under the governing claim constructions. - Ignoring expert reports or using them only as background, when technical and damages issues often turn on expert testimony tied to the record. - Overlooking deposition excerpts, product documents, source materials, testing data, and admissions that can defeat a claimed absence of dispute. - Failing to connect each factual dispute to the legal standard for Rule 56 and the patent-specific issues actually framed by the motion. - Drafting an opposition that reads like a stand-alone merits brief rather than a focused answer to each asserted basis for judgment. - Stating legal conclusions without naming the controlling authority that supports them. ## 3. Legal frameworks / domain conventions that apply - Federal Rule of Civil Procedure 56 governs summary judgment: the movant must show no genuine dispute as to any material fact and entitlement to judgment as a matter of law. - The nonmovant may rely on materials that would be admissible in substance, even if not presented in trial form, so long as the cited record can support a jury finding. - Patent infringement must be analyzed against the operative claim construction order; the question is whether a reasonable jury could find each claim limitation satisfied under the construed language. - Genuine disputes often arise from competing expert opinions, witness admissions, product specifications, test results, and other technical record evidence. - If the motion implicates claim validity or damages, use the governing statutory, evidentiary, and procedural authorities as stated in the record or in generally recognized practice. - Every proposition in the opposition should be anchored to authority by name and section, rule, or case, rather than asserted as a bare conclusion. ## 4. Analytical scaffolds - Motion mapping: list each distinct ground for summary judgment and answer it in the same sequence, so no theory is left unattended. - Claim-by-claim analysis: for each asserted claim, apply the court’s construction and test each disputed limitation against the cited record. - Limitation-by-limitation proof: where the movant argues a limitation is missing, identify the exact evidence from experts, deposition testimony, technical documents, or admissions that supports the opposite inference. - Record-to-opinion linkage: pair every expert statement with the underlying record material that supports it, and explain why the contrary expert view does not eliminate a triable issue. - Materiality analysis: explain why each disputed fact matters to infringement, validity, or damages under the governing theory, rather than merely describing a disagreement. - Rule 56 framing: show that the record would allow a reasonable jury to return a verdict for the nonmovant on the challenged issue. - Authority discipline: cite the controlling rule, case, or other authority for each legal standard and avoid uncited doctrinal assertions. ## 5. Vertical / structural / temporal relationships - Track the relationship among the claim construction order, the expert reports, the deposition record, and the accused-product evidence; the opposition should show how those materials interact, not treat them as isolated exhibits. - Preserve the sequence of analysis from the motion, then the factual record, then the legal standard, so the court can see why judgment should be denied on the existing record. - If the briefing guidelines impose formatting, citation, or length constraints, conform exactly and keep the response within those bounds. ## 6. Output structure conventions - Use an opposition-brief structure with a compact introduction, a Rule 56 standard section, an argument section keyed to each motion ground, and a short conclusion requesting denial. - Include a focused statement of genuinely disputed facts or a record-based counterstatement if the briefing guidelines call for it. - Use claim- or issue-specific subheadings that mirror the motion’s structure and make it easy to match each response to the corresponding argument. - Cite record materials with precision and identify the source of each factual assertion. - Keep the tone courtroom-appropriate: assertive, technical, and tethered to the record, without rhetorical overstatement.