Claim Chart Generation
Generate a detailed claim chart mapping patent claim elements to features of an accused product, applying literal infringement, induced infringement, and doctrine of equivalents analysis with strict anti-speculation rules.
This skill benefits from web search to gather product technical details.
Instructions
- Read the instruction file at
${CLAUDE_SKILL_DIR}/references/prompt.md - Ask the user for the required inputs if not already provided via
$ARGUMENTS:
- Independent claims to chart
- Product description (technical architecture, features, specs)
- Web search results (optional, or use web search tool if available)
- Patent specification (optional, for claim construction context)
- Prosecution history (optional) - Fill in the
{{PLACEHOLDER}}values with the user's content - If web search is available, search for product technical documentation
- Execute the prompt to generate the claim chart
- Present the output to the user
Inputs
| Placeholder | What to put here |
|---|---|
{{INDEPENDENT_CLAIMS}} |
The independent claims to chart. Include full claim text with claim numbers. Only independent claims — dependent claims narrow scope and are not needed for the initial chart. |
{{PRODUCT_DESCRIPTION}} |
A detailed description of the accused product. Include technical architecture, features, specifications, user-facing behavior, and any available documentation. The more technical detail, the better the analysis. |
{{WEB_SEARCH_RESULTS}} |
Results from web searches about the accused product (e.g., technical documentation, spec sheets, architecture blogs, API docs). If your LLM has built-in web search, you can leave this placeholder empty and instruct the model to search. |
{{PATENT_SPECIFICATION}} |
(Optional) The detailed description / specification of the patent. Provides context for claim construction — helps the model interpret claim terms as the patentee defined them. Remove this section if not available. |
{{PROSECUTION_HISTORY}} |
(Optional) Relevant prosecution history (e.g., examiner rejections, applicant arguments, claim amendments). Helps identify any disclaimer or narrowing of claim scope. Remove this section if not available. |
Attribution
Adapted from arcprime-ip/patent-prompts (MIT License) by ArcPrime — <https://github.com/arcprime-ip/patent-prompts>.
Original prompt text is reproduced with the license notice retained. Modifications: repackaged into a
standalone skill with references/prompt.md, bilingual description, and SkillHub metadata.
> This skill produces an analytical aid, not legal advice. Always have a qualified patent
> professional review any output before relying on it.
Scope
Written for US patent practice — USPTO filing and prosecution, 35 U.S.C. §§ 101/102/103/112,
Alice/Mayo eligibility, Graham/KSR obviousness. For CNIPA or EPO practice, the statutory
frameworks differ and the analysis must be adapted.
