Welcome to a new style of Patent Firm, where we provide the best solution in view of QCD.

the PatentNetwork Japan, having no office, is a virtually total patent service site on the network.

We perform various services cost effectively, 

by a right person for a right task, who is a member of our collaborative  IP attorneys, translators, illustrators, or foreign law firms,.

So to speak, it’s a modern troupe ( SHACHU ).


Services: from/to Japan

  1. Patent application*, with  search
  2. Patent analysis and opinion for validity/litigation.  
  3. Design and Trademark services.

  4. General IP consulting


    *Note: For example, from the world to Japan national application, attorney fee is approximately 2,000$, except translation, PTO fee and tax.

    Please see the Fee Plan page, in detail.

We observe your proprietary and confidential matters strictly.

First contact is favorable via Email, to the following address-



PLEASE feel free to ask any question or concern.