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.
Semiconductor

<2021-All>  Firm Ranking of the number of Japanese granted patents in the Semiconductor field in 2021

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

  • Technical field:  Semiconductor (semiconductor chip, material, wafer, device, etc.)
  • Status:  Japanese granted patents in 2021 (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 Web
1 217 SHIGA International Patent Office View
2 173 Soei Patent & Law Firm View
3 162 ITOH International Patent Office View
4 155 Sakai International Patent Office View
5 153 Patent Attorney's Office Yoshida, Yoshitake and Arita View
6 145 Fukami Patent Office, P.C. View
7 111 Ai Association of Patent and Trademark Attorneys View
8 104 TAIYO, NAKAJIMA & KATO View
9 103 RYUKA IP LAW FIRM View
10 99 HYUGAJI & Associates View
11 97 Sonderhoff & Einsel View
12 96 Sonoda & Kobayashi View
13 90 TSUTSUI & ASSOCIATES View
14 77 A.SAKAI & ASSOCIATES View
15 77 Polaire Intellectual Property Corporation View
16 75 Aoyama & Partners View
17 75 Nakamura & Partners View
18 71 HIBIKI IP LAW FIRM View
19 69 Kai-U Patent Law Firm View
20 68 KYOWA PATENT AND LAW OFFICE View
21 66 PALMO Patent Firm View
22 65 YKI Intellectual Property Attorneys View
23 63 SEIWA PATENT & LAW View
24 58 SUZUYE & SUZUYE Intellectual Property Law View
25 54 PRIMEWORKS IP Attorneys View
26 53 Okabe International Patent Office View
27 53 TAKADA, TAKAHASHI & PARTNERS View
28 51 SUGIMURA & Partners View
29 49 Katayose Patent View
30 48 NII Patent Firm View
31 47 Yoshimiya Patent Office View
32 45 YUWA INTERNATIONAL PATENT FIRM View
33 45 TMI Associates View
34 44 Yamakawa International Patent Office View
35 43 YOKOHAMA INTERNATIONAL PATENT LAW OFFICE View
36 42 Ohtsuka Patent Office View
37 41 NICHIEI Patent and Trademark Attorneys View
38 40 Fuso Patent Firm View
39 40 Sano Patent Office View
40 37 Meisei International Patent Firm View
41 36 Miyoshi & Miyoshi View
42 36 Takahashi Hayashi and Partner Patent Attorneys inc. View
43 35 Nishikawa & Associates View
44 34 Haruka Patent & Trademark Attorneys View
45 33 INFORT PATENT FIRM View
46 33 Kyowey International View
47 31 Prezio IP Firm View
48 31 SATO & ASSOCIATES View
49 31 Tsubasa patent professional corporation View
50 30 TANI & ABE, p.c. 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, Semiconductor 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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