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Japanese Patent FAQs

Before You Apply

Update 2020.6.4

When You Apply

Update 2024.6.11

After You Apply

Update 2020.6.9

Additional Fees Required by the PCT for a Search of All Filed Claims After a Determination that Claims Do Not Meet Unity of Invention Requirements

Exceptions to Lack of Novelty of Invention

Update 2024.7.9

Missed Priority Deadline

PCT application filed with a missing page

Entry of a PCT application in Japan

Claim Format

Update 2020.5.1

Methods for Treatment of the Human Body

Update 2024.6.3

Priority Requirements

Prior Art Disclosure

Update 2020.5.1

Depositing Biological Material

Update 2020.6.1

Application Number for Japanese National Phase of a PCT Application

Publication

Update 2024.10.23

Prior Art Submission by a Third Party

Examination

Update 2025.3.7

Refund of Examination Fee

Update 2020.6.11

Expedited Examination

Update 2020.6.16

Examination Standards

Update 2024.11.5

Amendment

Office Action

Update 2020.11.5

Extension of Time

Divisional Application

Update 2025.5.29

Appeal

Update 2022.6.28

Issuance (Registration)

Update 2023.1.25

Certificate of Patent

Update 2023.1.25

Post Issuance of Patent

Update 2023.6.26

Annuity

Reviving an Abandoned Case

Power of Attorney

Update 2021.6.16

Change of Ownership, Assignment

Update 2025.1.15

Change of Ownership, Merger

Ownership, Exploitation

Recordation of Name Change and Address Change

License

Practice and Use of Patented Invention

Security Agreement

Employment Agreement

Opposition Procedures

Update 2020.8.17

Invalidation Procedures

Update 2020.6.2

Official Fees

Update 2020.6.16

Business Methods

JPO Updates

Marking

Enforcement

Update 2023.3.9

Infringement

Update 2023.2.3

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