Full patent drafting pipeline from invention description to jurisdiction-formatted filing documents. Supports CN (CNIPA), US (USPTO), EP (EPO). Supports invention patents and utility models. Use when user says "写专利", "patent pipeline", "专利申请", "draft patent", "写权利要求书", or wants to draft a complete patent application.
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name
patent-pipeline-wanshuiyin
title
Patent Pipeline: From Invention to Filing
description
Full patent drafting pipeline from invention description to jurisdiction-formatted filing documents. Supports CN (CNIPA), US (USPTO), EP (EPO). Supports invention patents and utility models. Use when user says "写专利", "patent pipeline", "专利申请", "draft patent", "写权利要求书", or wants to draft a complete patent application.
Draft a complete patent application based on: $ARGUMENTS
Overview
This skill orchestrates the full patent drafting lifecycle -- from prior art search through jurisdiction-formatted filing documents. It chains sub-skills into a patent-specific pipeline:
Patents are about protecting inventions (legal scope), not publishing results (academic contribution). This skill handles the unique requirements of patent drafting: prior art analysis, claims hierarchy design, specification writing with enablement support, embodiment descriptions, and jurisdiction-specific formatting.
Constants
JURISDICTION = CN — Target patent jurisdiction. Options: CN (CNIPA), US (USPTO), EP (EPO), ALL (generate all three). Override via argument (e.g., /patent-pipeline "invention — US").
PATENT_TYPE = invention — invention (发明专利, 20 year protection) or utility_model (实用新型, CN only, 10 year protection, apparatus claims only). Override via argument.
REVIEWER_MODEL = — Model used via Codex MCP for examiner-style review.
gpt-5.5
MAX_REVIEW_ROUNDS = 2 — Maximum review-revision cycles.
AUTO_PROCEED = false — At each checkpoint, always wait for explicit user confirmation. Patent applications require inventor judgment at every stage. Set true only if user explicitly requests autonomous mode.
LANGUAGE = auto — Output language. Auto-detected from jurisdiction: CN->Chinese, US->English, EP->English. Override explicitly if needed.
OUTPUT_DIR = patent/ — Directory for generated patent files.
OUTPUT_FORMAT = markdown — Draft format. markdown for review, docx for filing-ready.
Override defaults via arguments: /patent-pipeline "invention — US, utility model" or /patent-pipeline "invention — ALL, language: Chinese".
Write this file at the end of every phase. On invocation, check for this file:
If absent or status: "completed" -> fresh start
If status: "in_progress" and within 24h -> resume from saved phase (read output files to restore context)
If older than 24h -> fresh start (stale state)
On completion, set "status": "completed".
Workflow
Phase 0: Input Parsing & Context Gathering
Parse $ARGUMENTS to extract:
Invention description — may be structured (references INVENTION_BRIEF.md), conversational with figures, or output from IDEA_REPORT.md
Jurisdiction — detect from keywords (e.g., "CN" or "中国" -> CN, "US" or "USPTO" -> US, "EP" or "EPO" -> EP, "ALL")
Patent type — detect from keywords (e.g., "utility model" or "实用新型" -> utility_model, default -> invention)
Overrides — language, output format, review rounds
Then gather context from the project directory:
Read INVENTION_BRIEF.md if it exists (user filled in the template)
Read IDEA_REPORT.md if it exists (from /idea-discovery -- can extract invention from research results)
Read refine-logs/FINAL_PROPOSAL.md if it exists
Read NARRATIVE_REPORT.md if it exists (research results that may be patentable)
Search for user-provided figures (PNG, JPG, SVG, PDF) in the project directory
Check for patent/PATENT_STATE.json (resume from prior interrupted run)
If insufficient context exists:
No invention description at all -> suggest user describe the invention or fill in INVENTION_BRIEF.md
Has IDEA_REPORT.md -> extract patentable aspects from the research
Has figures -> reference them in the invention brief
No figures -> note that figures will be needed and plan what drawings are required
If the input is conversational (not a structured brief), parse the description into the invention brief structure and write patent/INVENTION_BRIEF.md for downstream phases.
Phase 1: Prior Art Search & Novelty Assessment
1.1 Prior Art Search
Invoke /prior-art-search:
/prior-art-search "patent/INVENTION_BRIEF.md"
This searches patent databases (Google Patents, Espacenet) and academic literature for relevant prior art.
1.2 Novelty Check
Invoke /patent-novelty-check:
/patent-novelty-check "patent/INVENTION_BRIEF.md"
This assesses novelty and non-obviousness against the prior art found in step 1.1.
🚦 Checkpoint: Present the prior art landscape and novelty assessment:
Prior art search complete:
- [X] patent references found
- [Y] non-patent literature references found
- Closest prior art: [reference] -- [why it's closest]
- Novelty assessment: [PATENTABLE / PATENTABLE WITH AMENDMENTS / NOT PATENTABLE]
- Key risk areas: [list]
Ready to proceed with invention structuring?
⛔ STOP HERE and wait for user response. Do NOT auto-proceed unless AUTO_PROCEED=true.
Options:
Reply "go" -> proceed to Phase 2
Reply with adjustments -> refine the invention scope and re-check novelty
Reply "stop" -> save progress to patent/DRAFT_NOTES.md
This decomposes the invention into core inventive concept, supporting features, and optional features. Produces patent/INVENTION_DISCLOSURE.md.
2.2 Draft Claims
Invoke /claims-drafting:
/claims-drafting "patent/INVENTION_DISCLOSURE.md"
This drafts the claims hierarchy -- the most critical part of the patent. Produces patent/CLAIMS.md.
🚦 Checkpoint: Present the invention structure and claims:
Invention structured:
- Core inventive concept: [summary]
- Claim categories: [method, system, etc.]
- Claims drafted: [X] independent + [Y] dependent = [Z] total
- Independent claim 1 (broadest): [first 50 words of claim 1]
- Examiner review score: [X]/10
The claims define the legal scope of protection. Please review before proceeding to specification.
⛔ STOP HERE and wait for user response. Do NOT auto-proceed unless AUTO_PROCEED=true.
Options:
Reply "go" -> proceed to Phase 3
Reply with adjustments (e.g., "broaden claim 1", "add more dependent claims") -> revise claims
Reply "stop" -> save progress
State: Write PATENT_STATE.json with phase: 2.
Phase 3: Specification Writing
Invoke /specification-writing:
/specification-writing "patent/CLAIMS.md"
This writes the full specification section by section. Internally invokes /figure-description (if user-provided figures exist) and /embodiment-description for the detailed description. The specification-writing skill handles figure processing and embodiment writing as sub-skills.
🚦 Checkpoint: Present the specification overview:
Specification written:
- Title: [title]
- Sections: Technical Field, Background, Summary, Drawings Description, Detailed Description, Abstract
- Embodiments: [X]
- Reference numerals: [Y] components mapped
- Abstract length: [Z] words (limit: [jurisdiction limit])
- Claim support: [all elements covered / X elements missing]
Ready to proceed to review?
⛔ STOP HERE and wait for user response.
State: Write PATENT_STATE.json with phase: 3.
Phase 4: Patent Review
Invoke /patent-review:
/patent-review "patent/"
This runs 2 rounds of examiner-style review via GPT-5.4 xhigh. The examiner evaluates clarity, written description, enablement, novelty, non-obviousness, and claim scope.
State: Write PATENT_STATE.json with phase: 4 and review score.
Phase 5: Jurisdiction Formatting & Output
Invoke /jurisdiction-format:
/jurisdiction-format "patent/"
This compiles the application into the target jurisdiction format(s).
Final Deliverables
Output
Location
Description
CN: 权利要求书
patent/output/CN/
Claims in CNIPA format
CN: 说明书
patent/output/CN/
Description in CNIPA format
CN: 说明书摘要
patent/output/CN/
Abstract (CN)
US: Claims
patent/output/US/
Claims in USPTO format
US: Specification
patent/output/US/
Description in USPTO format
US: Abstract
patent/output/US/
Abstract (US)
EP: Claims
patent/output/EP/
Claims in EPO format
EP: Description
patent/output/EP/
Description in EPO format
EP: Abstract
patent/output/EP/
Abstract (EP)
Final Report
## Patent Pipeline Complete### Application Summary- Title: [invention title]
- Jurisdiction: [CN/US/EP/ALL]
- Patent Type: [Invention / Utility Model]
- Language: [Chinese/English]
- Total Claims: [X] independent + [Y] dependent
### Pipeline Scores
| Phase | Score |
|-------|-------|
| Prior Art Search | [completeness assessment] |
| Novelty Assessment | [PATENTABLE/PATENTABLE WITH AMENDMENTS/NOT PATENTABLE] |
| Examiner Review Round 1 | [X]/10 |
| Examiner Review Round 2 | [Y]/10 |
| Final | [Z]/10 |
### Output Files
[Table of all generated files with paths]
### Next Steps- [ ] Have a patent attorney review the application
- [ ] Conduct professional prior art search (this tool's search is preliminary)
- [ ] Prepare formal drawings (if user figures need professional rendering)
- [ ] File with the patent office
- [ ] For utility model (CN): formal examination typically takes 6-8 months
- [ ] For invention patent: substantive examination may take 2-4 years
State: Write PATENT_STATE.json with phase: 5, status: "completed".
Key Rules
Never fabricate prior art references, patent numbers, or citations.
Claims must be supported by the specification (written description requirement).
Each jurisdiction has strict format requirements -- do not mix formats.
Utility model (实用新型) applies ONLY to CN jurisdiction and ONLY covers apparatus/device claims.
AUTO_PROCEED defaults to false -- patent applications require human review at every phase. Sub-skills inherit this flag: when AUTO_PROCEED=false, sub-skills present results and wait at their own internal checkpoints too.
The patent pipeline produces drafts for attorney review, not final filing documents.
Large file handling: if a Write operation fails, retry with Bash cat <<'EOF' heredoc.
Never include experimental results or empirical evaluations in the specification.
Consistent terminology is mandatory -- same word for the same concept throughout.
If a downstream reviewer step is requested but reviewer delegation is unavailable in the current Codex host, stop and ask the user to enable Codex agent support before continuing.
Composing with Other Workflows
The patent pipeline can start from multiple entry points:
Built on the ARIS (Auto-claude-code-research-in-sleep) skill architecture. Patent writing principles adapted from MPEP (US), CN Patent Examination Guidelines (CN), and EPO Guidelines for Examination (EP).
