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.
Hybrid Car

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

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

  • Technical field:  Hybrid car (Hybrid car technology having broad facet classification: control device, power supply system, electric power conversion device for hybrid vehicle, 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).
RankingNo.IP law firmWebsite
114Sonoda & Kobayashi View
28Kyosei International Patent Office View
37Sonderhoff & Einsel View
47Sowa International Patent Office View
53In-house patent attorney－
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, Hybrid Car 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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