• Our analysts are experts in their fields for handling global patent databases and other various data sources of technical and corporate information that are essential in providing IP search and analytics.

  • Many of our analysts have experiences in IP division and/or R&D division of practicing companies. Based on such experiences and expertises in IP search and analytics, our analysts design and lead the projects to match with the client's needs.

  • Based on business partnership with CPA Global, we handle global search and analytics projects for clients by colaboration of both Japanese and oversea analysts.

  • We have quality control team to maintain the quality of the search and analytics reports.


  • Prior Art Search before Patent Filing in Automotive Technology.

  • Invalidity Search in Telecomunicaton, Invalidity Search in Inorganic material.

  • FTO Search in Electric Vehicle, FTO Search in Antibody Medicine.

  • Patent Landscape in Artificial Intelligence, Health Food, Automobile Industries.

  • Ananlysis on IP Strategy of Competitors.

  • Search on New Use of Chemical Material.

  • Search for patent applications in major electronics manufacturers.

  • Collection of legal support materials in the telecommunications field.

  • Analysis of IP rights transfer and US litigation information in the IT field.


  • In 2012, Landon IP GK was established in Shinagawa, Tokyo as a Japanese subsidiary of LANDON IP Inc., USA.

  • In 2014, CPA Global (UK) acquired LANDON IP Inc. (USA). Landon IP GK has become a group company of CPA Global.

  • In 2017, our office moved from Shinagawa to Shinjuku.

  • In 2018, CPA Global (UK) transferred the ownership of Landon IP GK to NGB Corporation (JP). Landon IP GK continues its IP search and analysis business as an independently from NGB Corporation, keeping the partnership with CPA Global (UK).


  • We provides you one-stop searching for both Japanese and global searches.

Patent search

  • Minesoft PatBase

  • Questel Orbit Intelligence

  • Panasonic PatentSQUARE

  • Hitachi Shareresearch

  • LexisNexis TotalPatent

NPL search

  • Scopus

  • CiNii



  • Japan Nationan Diet Library Search


  • JDreamⅢ

  • ProQuest, Engineering Village, CAS STN, etc*

    *available based on the partnership with CPA Global



3-7-1-30F Nishi-Shinjuku, Shinjuku-ku, Tokyo, Japan 163-1030

TEL: 81-(0)3-4520-5545

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