PCT international application preparation under PCT Rules 5-12 - unity of invention, formal requirements, national phase entry strategy, and deadline management
Preparation and validation of Patent Cooperation Treaty (PCT) international applications under PCT Rules 5-12.
Invoke this skill when users ask to:
Provides comprehensive PCT application support:
Application Preparation (Rules 3-12 PCT):
Unity of Invention (Rule 13 PCT):
Formalities Validation (Rules 3-12 PCT):
National Phase Strategy:
MCP Tools Available:
check_pct_formalities - PCT Rules 5-12 formalities checkingsearch_patent_law - Search PCT rules, regulations, administrative instructionssearch_patents_bigquery - Prior art search for unity assessmentWhen this skill is invoked:
Determine user's stage:
For new applications, guide through:
For review, analyze:
Form PCT/RO/101 requires:
Required sections in order:
1. Title of the Invention
2. Technical Field
3. Background Art
4. Disclosure of the Invention
- Technical problem
- Technical solution
- Advantageous effects
5. Brief Description of Drawings
6. Best Mode for Carrying Out the Invention
7. Industrial Applicability
8. Sequence Listing (if applicable)
Structure requirements:
Unity requires claims to relate to one invention only or a group of inventions linked to form a single general inventive concept.
Test: Do all claims share a special technical feature that:
Unity Maintained:
Unity at Risk:
Independent Claim 1 (System): A system comprising feature X...
Independent Claim 8 (Method): A method using feature X...
Independent Claim 15 (Use): Use of feature X for...
Special Technical Feature: "feature X" - shared across all groups
Unity: MAINTAINED (single general inventive concept linked by X)
Month 0: File PCT application at Receiving Office (RO)
Month 3: International search begins (ISA)
Month 16: International Search Report (ISR) issued
Month 18: International publication (WIPO)
Month 22: Demand for preliminary examination (optional, Chapter II)
Month 28: International Preliminary Examination Report (IPER)
Month 30: National/regional phase entry deadline (most countries)
Month 31: National phase deadline (some countries: US, JP, etc.)
| Fee | Amount | Notes |
|---|---|---|
| Transmittal fee | Varies by RO | RO/US: USD 280 |
| International filing fee | CHF 1,330 | Electronic reduction: -CHF 200 |
| Search fee | Varies by ISA | ISA/EP: EUR 1,775; ISA/US: USD 2,680 |
| Additional page fee | CHF 16/page | Beyond 30 pages |
| Additional claim fee | Varies | Beyond limits set by ISA |
Filing via ePCT: CHF 200 reduction on international filing fee
| Country | Entry Fee | Notes |
|---|---|---|
| US (371) | ~USD 1,600 | Basic filing + search + examination |
| EP (Euro-PCT) | ~EUR 2,595 | Filing + search + designation |
| JP | ~JPY 195,000 | National fee + translation |
| CN | ~CNY 3,500 | National fee + translation |
| KR | ~KRW 460,000 | National fee + translation |
Broad Coverage:
Cost-Conscious:
Technology-Specific:
PCT APPLICATION COMPLIANCE REPORT
====================================
Application: [Title]
Receiving Office: RO/[XX]
ISA Selected: ISA/[XX]
DESCRIPTION (Rule 5 PCT):
[PASS/FAIL] Title present
[PASS/FAIL] Technical field
[PASS/FAIL] Background art
[PASS/FAIL] Invention disclosure
[PASS/FAIL] Brief description of drawings
[PASS/FAIL] Best mode
[PASS/FAIL] Industrial applicability
CLAIMS (Rule 6 PCT):
[PASS/FAIL] Consecutively numbered
[PASS/FAIL] Supported by description
[PASS/FAIL] Clear and concise
UNITY OF INVENTION (Rule 13 PCT):
[PASS/WARN/FAIL] Single general inventive concept
Special technical feature: [identified feature]
Risk of unity objection: LOW/MEDIUM/HIGH
ABSTRACT (Rule 8 PCT):
[PASS/FAIL] Word count within 150
[PASS/FAIL] Figure designated
[PASS/FAIL] Technical field indicated
PHYSICAL REQUIREMENTS (Rule 11 PCT):
[PASS/FAIL] A4 format
[PASS/FAIL] Margins
[PASS/FAIL] Page numbering
[PASS/FAIL] Line spacing
FEES:
Transmittal: [amount]
International filing: [amount]
Search: [amount]
Total: [amount]
DEADLINES:
[Date] - Priority expires (12 months)
[Date] - Furnish priority doc (16 months)
[Date] - International publication (18 months)
[Date] - Chapter II demand (22 months)
[Date] - National phase entry (30/31 months)
Works with other skills/agents: