<2019-All> Firm Ranking of the number of Japanese granted patents in the Biotechnology field in 2019

2020-05-10 2020-04-19

The following table shows the ranking of Japanese IP law firm. The ranking is based on the following conditions.

Technical field: Biotechnology (Protein, amino acid, DNA, RNA, Recombinant DNA, antibody, peputide, iPS cell, ES cell, vaccine, etc.)
Status: Japanese granted patents in 2019 (registration date).
First country: All (i.e., patents with claiming priority of a Japanese application or a foreign application, or without claiming priority).
Count: The number of patents handled by each Japanese IP law firm was counted (if the applicant is represented by a firm member (attorney), it was counted as being handled by the firm).

Ranking	No.	IP law firm	Website
1	525	SHUSAKU・YAMAMOTO	View
2	336	SHIGA International Patent Office	View
3	327	Shimizu Patent Office	View
4	320	Aoyama & Partners	View
5	281	Hiraki & Associates	View
6	249	Abe, Ikubo & Katayama	View
7	217	SEIWA PATENT & LAW	View
8	194	YUASA AND HARA	View
9	170	Nakamura & Partners	View
10	149	Soei Patent & Law Firm	View
11	134	Takashima International Patent Office	View
12	124	SAEGUSA & Partners	View
13	112	TMI Associates	View
14	112	Kuzuwa & Partners	View
15	111	Sonoda & Kobayashi	View
16	97	Takaoka IP Law	View
17	97	KAWAGUTI & PARTNERS	View
18	95	SUBARU PATENT OFFICE	View
19	83	TSUKUNI & ASSOCIATES	View
20	79	KYOWA PATENT AND LAW OFFICE	View
21	72	TAIYO, NAKAJIMA & KATO	View
22	69	IP Firm SHUWA	View
23	68	ONDA TECHNO Intl. Patent Attys	View
24	67	Anderson Mori & Tomotsune	View
25	65	SIKs & Co.	View
26	64	Shobayashi International Patent &Trademark Office	View
27	64	YuNeed International Patent Office	View
28	63	OHNO & PARTNERS	View
29	63	Orion Patent Office	View
30	63	The Patent Corporate Body Aruga Patent Office	View
31	61	Hirota & Associates	View
32	57	SUGIMURA & Partners	View
33	54	Asamura Patent Office, p.c.	View
34	54	HARAKENZO WORLD PATENT & TRADEMARK	View
35	51	Sonderhoff & Einsel	View
36	44	Okuyama & Sasajima	View
37	43	Hirota, Nagare & Associates	View
38	41	ITOH International Patent Office	View
39	40	Ashida & Kimura	View
40	40	NOGAWA PATENT OFFICE	View
41	38	SUZUYE & SUZUYE Intellectual Property Law	View
42	37	Kita-Aoyama International Patent Bureau	View
43	37	Morita & Yamaguchi International Patent Office	View
44	37	Fukami Patent Office, P.C.	View
45	37	Unius Patent Attorneys Office	View
46	36	HATTA & ASSOCIATES	View
47	34	YASUTOMI & Associates	View
48	34	KIYOHARA & CO.,PATENT ATTORNEYS	View
49	34	HOSODA INTERNATIONAL PATENT OFFICE	View
50	32	Iwatani Patent Office	View
51	31	Isono International Patent Office, P. C.	View
52	31	Miyoshi & Miyoshi	View
53	26	SK Intellectual Property Law Firm	View
54	26	LEXIA PARTNERS	View
55	26	R&C IP Law Firm	View
56	26	WINGREEN Patent Firm	View
57	24	TOKYO ACTi International Patent and Trademark Office	View
58	24	SHINSEI PATENT OFFICE	View
59	23	TANI & ABE, p.c.	View
60	23	SSINPAT PATENT FIRM	View

In preparing the table, a patent search expert conducted a patent search using patent classification and keywords (as necessary) in order to extract patents in specific technical field (here, Biotechnology field).
In the patent search, it was confirmed that a high-accuracy population (i.e., a population not including non-relevant fields) of patents was obtained. Subsequently, the population was used to create the table.

By entering the Firm name or Attorney name in the "Legal Representative Name" column of Patentscope (search system of WIPO), you can find the patent information handled by each Firm.