Official name	ARC PATENT ATTORNEYS’ OFFICE
Founded on	October 1, 1973
The President	Go KUNITOMI
The executive vice-president	Michiko UJI Rui ASADA
Attorneys	40 staff members including five patent attorneys and one Chinese patent attorney
Address	Sankyo Bldg. Umeshin 10F 4-13, Nishitemma 4-chome, Kita-ku, Osaka 530-0047 Japan T +81 6 6364 8128 F +81 6 6361 6903
Core services	1. Applications/registrations for patents, utility models, designs, trademarks, and copyright protection in Japan 2. Applications/registrations for patents, utility models, designs, and trademarks outside Japan, international patent applications under the PCT, and international trademark registration under Madrid Protocols 3. Searches for patentability, infringement, and invalidation 4. Invalidation trials, oppositions, expert opinions, litigation 5. Consulting on IP-related matters
Technical fields	・ Mechanical engineering (general machinery, industrial machinery, vehicles, precision machinery, medical equipment) ・ Electricity and electronics (IT technologies, image processing, electrical circuits, consumer electronics and communication equipment) ・ Automatic control (mechatronics, software, business models) ・ Physics (semiconductor, optics, and nanotechnology) ・ Materials science (metal, carbon material) ・ Chemistry (inorganic, organic, polymer) ・ Daily products, textiles

1973	Kurauchi Patent Attorneys’ Office was founded.
1992	Kurauchi Patent Attorneys’ Office merged with Akiyama International Patent Attorneys’ Office, to found ARC PATENT ATTORNEYS' OFFICE.
2008	Incorporated under Japanese business law
2022	Changed the Japanese name of the office in accordance with the revision of the Patent Attorney Law
2023	Celebrated our 50th anniversary and still expanding our business