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Tatsuyuki TSUBO

Tatsuyuki TSUBO

Japanese Patent Applications: Third-Party Observations | Timing, Anonymity, Fees, and Eligible Grounds

Patent Japan

2026.10.06

If you believe that an invention claimed in a competitor's Japanese patent application is …
Tatsuyuki TSUBO

Tatsuyuki TSUBO

Japanese Office Actions: How Response Period Extensions Differ Across Patents, Designs, and Trademarks

Patent Design Trade Mark Japan

2026.08.01

When the Japan Patent Office (JPO) issues an Office Action (Notice of Reasons for Refusal)…
Tatsuyuki TSUBO

Tatsuyuki TSUBO

Response Deadlines and Extensions for Trademark Office Actions in Japan — A Guide for Foreign Applicants

Trade Mark Japan

2026.07.31

When the Japan Patent Office (JPO) issues a trademark Office Action (Notice of Reasons f…
Tatsuyuki TSUBO

Tatsuyuki TSUBO

Response Deadlines and Extensions for Design Office Actions in Japan — A Guide for Foreign Applicants

Design Japan

2026.07.31

When the Japan Patent Office (JPO) issues a design Office Action (Notice of Reasons for …
Tatsuyuki TSUBO

Tatsuyuki TSUBO

Response Deadlines and Extensions for Patent Office Actions in Japan — A Guide for Foreign Applicants

Patent Japan

2026.07.26

When a patent Office Action (Notice of Reasons for Refusal) is issued by the Japan Paten…

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