Yamada International Patent Firm(山田国際特許事務所)Japanese Patent Attorney(弁理士・特定侵害訴訟代理)

Our services

We specialise in all aspects of Intellectual Property, including patents, trademarks, designs and copyrights, such as:

  • patents and trademarks searching and watching services;
  • filing and prosecution of patents, designs or trademarks applications;
  • handling oppositions, revocations and appeals;
  • advice on infringement and enforcement matters;
  • IP portfolio management, strategy and policy advice;
  • renewals.


Procedure for nationalising a PCT application to Japan