Skip to main content

China-related matters · Research first

For lawyers/Contact/Log in
China Legal PortalResearch · Routes · Counsel
Ask a lawyer

Search the portal

China legal tool Intellectual property National framework

Patent Prior Art & 6-Month Novelty
Grace-Period Diagnostic

Screen prior-art attacks and Article 24 six-month grace-period grounds.

Legal assessmentPRC lawAssumption-led estimate
  1. 01Enter facts
  2. 02Get estimate
  3. 03Check assumptions
  4. 04Verify or escalate

Assessment inputs

Legal basis

Current-law scope and cautions

  • Patent Law Article 24 provides a six-month grace period for specified disclosures; it is not a general six-month grace period for any voluntary public disclosure.
  • Prior art includes technology known to the public before filing, subject to priority and statutory exceptions.
  • Invalidation can involve novelty, inventiveness, enablement/support and other grounds beyond this tool.

Use: This is a screening/estimation tool, not a legal opinion. Confirm the latest primary authority, regulator practice, local rules and transaction documents before acting.

Legal authorityReview the legal-basis section and cited source before relying on the output.
Tool typeLegal assessment
ScopeNational framework first
Local checkLocal rules and authority practice may differ
National framework → matter-specific file
Context note

The tool organizes the issue.
The facts determine the route.

China legal rules often begin with a national framework, while the operational answer can depend on location, dates, documents, status and authority practice. Use this result to structure the next verification step.

  • Check the inputs. Confirm dates, amounts, classifications and assumptions.
  • Read the authority. Verify the cited legal basis and effective version.
  • Localize the answer. Test relevant provincial, municipal or agency practice.
Working notes

Understanding this result

Use these checks before treating an automated output as a legal conclusion.

What does this tool provide?+

It provides a structured calculation, screening result or drafting aid based on the facts entered and the assumptions stated on this page.

What should be verified?+

Verify the legal authority, effective date, input data, territorial scope and any exclusions identified in the result.

Why can the operational answer differ?+

Documents, disputed facts, local implementation and authority discretion can affect the practical outcome.

When should the issue be escalated?+

Escalate material exposure, disputed facts, imminent deadlines, formal notices or any issue requiring representation or a legal opinion.

When the file needs review

Move from the tool to a verified legal route.

Use the output to organize the facts, then confirm the source, evidence, local implementation and available remedy before acting.