<2018-Foreign> Firm Ranking of the number of Japanese granted patents in the Pharmaceutical field in 2018

2019-04-12 2019-04-28

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

Technical field: Pharmaceutical (pharmaceutical composition, medicine, API, production method of thereof, etc.)
Status: Japanese granted patents in 2018 (registration date).
First country: Foreign (i.e., patents with claiming priority of a foreign application, or patents based on PCT application whose receiving office is not Japan Patent Office without claiming any 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	433	SHUSAKU・YAMAMOTO	View
2	280	Abe, Ikubo & Katayama	View
3	263	Aoyama & Partners	View
4	239	Shimizu Patent Office	View
5	197	SEIWA PATENT & LAW	View
6	195	SHIGA International Patent Office	View
7	180	Nakamura & Partners	View
8	171	YUASA AND HARA	View
9	153	Hiraki & Associates	View
10	109	SUBARU PATENT OFFICE	View
11	109	TSUKUNI & ASSOCIATES	View
12	100	KAWAGUTI & PARTNERS	View
13	94	Kuzuwa & Partners	View
14	86	Sonoda & Kobayashi	View
15	84	Anderson Mori & Tomotsune	View
16	83	Takaoka IP Law	View
17	68	Soei Patent & Law Firm	View
18	65	Orion Patent Office	View
19	57	Takashima International Patent Office	View
20	56	KYOWA PATENT AND LAW OFFICE	View
21	52	Asamura Patent Office, p.c.	View
22	44	ONDA TECHNO Intl. Patent Attys	View
23	42	SAEGUSA & Partners	View
24	38	KIYOHARA & CO.,PATENT ATTORNEYS	View
25	37	SK Intellectual Property Law Firm	View
26	37	SUZUYE & SUZUYE Intellectual Property Law	View
27	37	TMI Associates	View
28	33	HARAKENZO WORLD PATENT & TRADEMARK	View
29	32	Okuyama & Sasajima	View
30	31	Kita-Aoyama International Patent Bureau	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, Pharmaceutical 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.