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: All (i.e., Japanese patent applications in 2016 (application date)).
- First country: All (i.e., patent applications with claiming priority of a Japanese application or a foreign application, or without claiming priority).
- Count: The number of Japanese patent applications handled by each Japanese IP law firm was counted (applicants of the patent applications are represented by each Japanese IP law firm or its members).
Ranking | No. | IP law firm | Website |
---|---|---|---|
1 | 1091 | SHUSAKU・YAMAMOTO | View |
2 | 548 | Aoyama & Partners | View |
3 | 516 | Shimizu Patent Office | View |
4 | 431 | SHIGA International Patent Office | View |
5 | 395 | Hiraki & Associates | View |
6 | 372 | Abe, Ikubo & Katayama | View |
7 | 303 | SEIWA PATENT & LAW | View |
8 | 273 | YUASA AND HARA | View |
9 | 267 | Nakamura & Partners | View |
10 | 230 | SAEGUSA & Partners | View |
11 | 213 | Soei Patent & Law Firm | View |
12 | 206 | TSUKUNI & ASSOCIATES | View |
13 | 194 | KAWAGUTI & PARTNERS | View |
14 | 182 | Takaoka IP Law | View |
15 | 181 | Sonoda & Kobayashi | View |
16 | 169 | Takashima International Patent Office | View |
17 | 146 | Anderson Mori & Tomotsune | View |
18 | 139 | Orion Patent Office | View |
19 | 131 | The Patent Corporate Body Aruga Patent Office | View |
20 | 122 | Kuzuwa & Partners | View |
21 | 121 | SUBARU PATENT OFFICE | View |
22 | 120 | Asamura Patent Office, p.c. | View |
23 | 115 | KYOWA PATENT AND LAW OFFICE | View |
24 | 97 | KIYOHARA & CO.,PATENT ATTORNEYS | View |
25 | 93 | Shobayashi International Patent &Trademark Office | View |
26 | 88 | TMI Associates | View |
27 | 82 | HARAKENZO WORLD PATENT & TRADEMARK | View |
28 | 76 | ONDA TECHNO Intl. Patent Attys | View |
29 | 71 | SIKs & Co. | View |
30 | 71 | Iwatani Patent Office | View |
31 | 68 | Hirota & Associates | View |
32 | 68 | Hirota, Nagare & Associates | View |
33 | 68 | YuNeed International Patent Office | View |
34 | 65 | Unius Patent Attorneys Office | View |
35 | 63 | SUGIMURA & Partners | View |
36 | 62 | IP Firm SHUWA | View |
37 | 60 | HOSODA INTERNATIONAL PATENT OFFICE | View |
38 | 60 | SUZUYE & SUZUYE Intellectual Property Law | View |
39 | 59 | In-house patent attorney | - |
40 | 51 | TAIYO, NAKAJIMA & KATO | View |
41 | 49 | LEXIA PARTNERS | View |
42 | 49 | TOKYO ACTi International Patent and Trademark Office | View |
43 | 49 | HIROE AND ASSOCIATES, patent professional corporation | View |
44 | 47 | Kita-Aoyama International Patent Bureau | View |
45 | 45 | SK Intellectual Property Law Firm | View |
46 | 45 | OHNO & PARTNERS | View |
47 | 44 | Shinjyu GLOBAL IP | View |
48 | 44 | Okuyama & Sasajima | View |
49 | 40 | Ashida & Kimura | View |
50 | 40 | Nagoya International Patent Firm | View |
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.