Firm News

Masahiro Nanjo was appointed as a research committee member at the Central Research Institute of Intellectual Property of the Japan Patent Attorneys Association.

Masahiro Nanjo was appointed as a research committee member at the Central Research Institute of Intellectual Property of the Japan Patent Attorneys Association. The research theme is “Specification-related Issues” (chaired by Professor Ryu Takabayashi of Waseda University). The term of appointment is from Apr. 1st, 2012, to Jul. 31st, 2012. Related Info


In the invalidation trial (Case No. Invalidation 2010-800110) in which Masahiro Nanjo filed for the client, the JPO appeal board decided in favor of Masahiro Nanjo declaring that the claim of patent at issue is invalid for the lack of inventive step.

On June 29th, 2010 Masahiro Nanjo filed an invalidation trail (Case No. Invalidation 2010-800110). In this invalidation trial we asserted the invalidity of the claim 1 of the patent No. 4109165, which allegedly covers patentee’s commercial product, based on the lack of inventive step. An oral hearing was held on January 27th, 2011. On April 25th, the JPO appeal board in charge, which consisted of […]


Masahiro Nanjo was appointed as a member of Patent Attorneys Examining and Disciplinary Subcommittee, Industrial Property Council of Japan Patent Office, on Feb. 27th.

Masahiro Nanjo was appointed as a member of Patent Attorneys Examining and Disciplinary Subcommittee, Industrial Property Council of Japan Patent Office, on Feb. 27th and thus will serve as an examiner for Patent Attorney Examination 2011 (essay-type written and oral examinations). Related Info


We, TOKYO ACTi, wish to convey our sympathy, thoughts and prayers to the people who have been affected by the disaster.

We, TOKYO ACTi, wish to convey our sympathy, thoughts and prayers to the people who have been affected by the disaster. Our operation is not affected by the earthquake nor are our properties including electronic data stroage as well as paper files, largely due to the state-of-art building we are in. In addition, all of our attorneys and staff are safe. We have internally discussed what we can do a […]


Masahiro Nanjo was appointed as a research committee member at the Central Research Institute of Intellectual Property of the Japan Patent Attorneys Association.

Masahiro Nanjo was appointed as a research committee member at the Central Research Institute of Intellectual Property of the Japan Patent Attorneys Association. The research theme is “Specification-related Issues” (chaired by Professor Ryu Takabayashi of Waseda University). The term of appointment is from Sep. 1st, 2010, to Mar. 31st, 2012. Related Info


The 2009 Report by the Patentability Investigation Committee, for which Masahiro Nanjo served as a committee member and which was held by the Appeals Division of Japan Patent Office, was published.

The 2009 Report by the Patentability Investigation Committee, for which Masahiro Nanjo served as a committee member and which was held by the Appeals Division of Japan Patent Office, was published. Related Info


Masahiro Nanjo was appointed as a research committee member at the Central Research Institute of Intellectual Property of the Japan Patent Attorneys Association.

Masahiro Nanjo was appointed as a research committee member at the Central Research Institute of Intellectual Property of the Japan Patent Attorneys Association. The research theme is “Various Issues Involving Specification” (chaired by Professor Ryu Takabayashi of Waseda University). The term of appointment is from Apr. 1st, 2010, to July. 31st, 2010. Related Info


TOKYO ACTi International Patent and Trademark Office is pleased to announce its relocation to expanded office space to accommodate its continuing growth.

TOKYO ACTi International Patent and Trademark Office is pleased to announce its relocation to expanded office space to accommodate its continuing growth realized by our clients and colleagues. We are all committed to earning your trust through our sincere, reliable attitude to every aspect of our work and to ensuring harmonious development and steady progress. We deeply appreciate your thoughtfuln […]


Masahiro Nanjo was appointed as a member of the Patentability Investigation Committee 2009 hosted by the Appeals Division of Japan Patent Office.

Masahiro Nanjo was appointed as a member of the Patentability Investigation Committee 2009 hosted by the Appeals Division of Japan Patent Office.


On April 14th, Masahiro Nanjo obtained a favorable decision by JPO Appeal Board to affirm the validity of Trademark Registration No. 5,130,678 in the Trademark Opposition case (Opposition No. 2008-900292) demanded against its client.

On April 14th, Masahiro Nanjo obtained a favorable decision by JPO Appeal Board to affirm the validity of Trademark Registration No. 5,130,678 in the Trademark Opposition case (Opposition No. 2008-900292) demanded against its client.


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