Introduction and fee schedule of SK Intellectual Property Law Firm
SK Intellectual Property Law Firm provides advice and legal services in a broad range of intellectual property matters in Japan, including patent, trademark, industrial design and utility model. Firm information is as follows.
Biotechnology

<2021-JP>  Firm Ranking of the number of Japanese granted patents in the Biotechnology field in 2021

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 2021 (registration date).
  • First country:  Japan (i.e., (i) patents with claiming priority of a Japanese application, (ii) patents based on Japanese domestic application, or (iii) patents based on PCT application whose receiving office is 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 Web
1 136 Hiraki & Associates View
2 60 SHIGA International Patent Office View
3 54 SAEGUSA & Partners View
4 49 Takashima International Patent Office View
5 47 SEIWA PATENT & LAW View
6 42 SIKs & Co. View
7 40 The Patent Corporate Body Aruga Patent Office View
8 39 Aoyama & Partners View
9 39 Shimizu Patent Office View
10 33 IP Firm SHUWA View
11 29 OHNO & PARTNERS View
12 29 Abe, Ikubo & Katayama View
13 24 SHUSAKU・YAMAMOTO View
14 24 YASUTOMI & Associates View
15 23 Tanigawa and Associates N/A
16 21 Soei Patent & Law Firm View
17 21 TMI Associates View
18 20 YUASA AND HARA View
19 20 HARAKENZO WORLD PATENT & TRADEMARK View
20 19 YuNeed International Patent Office View
21 17 TAIYO, NAKAJIMA & KATO View
22 17 Iwatani Patent Office View
23 16 CENTCREST IP Attorneys View
24 15 Hirota & Associates View
25 14 Shobayashi International Patent &Trademark Office View
26 12 Ashida & Kimura View
27 12 Eikoh Patent Firm, P.C. View
28 12 Moegi Patent Office View
29 12 Kuzuwa & Partners View
30 12 HATTA & ASSOCIATES 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.

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