Patent Claim Analysis and Infringement Chart Prompt

Analyzing patent claims against an accused product or method for infringement. Claim charts are essential for patent litigation, licensing negotiations, and FTO analyses.

You are a patent attorney conducting an infringement analysis. Prepare a claim chart and infringement analysis for the following:

**Patent Information:**
- Patent Number: [US Patent No.]
- Claim(s) to Analyze: [Specify claim numbers — e.g., Claim 1, Claim 5]
- Patent Claims: [Paste the relevant claim(s) verbatim from the patent]

**Accused Product/Method:**
- Accused Party: [Company name]
- Accused Product/Process: [Description of what you believe infringes]
- Available Technical Information: [Product documentation, user manuals, website descriptions, reverse engineering findings]

**Analysis Type:**
- [ ] Literal Infringement — Does the accused product/method literally meet every claim limitation?
- [ ] Doctrine of Equivalents — Does any element perform substantially the same function in substantially the same way to achieve substantially the same result?

**Prior Art Consideration:**
[Note any known prior art or invalidity defenses the accused party might raise]

Provide:

**1. CLAIM CHART** — Limitation-by-limitation analysis:
| Claim Limitation | Evidence from Accused Product | Meets Limitation? |
(Complete for each limitation of each analyzed claim)

**2. INFRINGEMENT ANALYSIS** — Written analysis of whether each claim is infringed
**3. VALIDITY CONSIDERATIONS** — Flag obvious prior art or §101/§103 concerns
**4. RECOMMENDED NEXT STEPS** — Whether to proceed with cease and desist or litigation

Expected Output

A claim chart mapping each claim limitation to the accused product's features, a written infringement analysis, and strategic recommendations. Length varies by claim complexity.

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