From Hsinchu Taiwan, to the world


JOU AND JOU Patent Offices, founded in 1993 by Mr. Grant Jou, is a patent/trademark firm supported by a team of excellent and experienced technical/legal specialists as well as competent staff. Through continuous diligence and a commitment to providing superior service, JOU AND JOU has become one of the leading patent/trademark firms in Taiwan.

We provide a wide range of patent and trademark related services. In particular, we mainly deal with patent and trademark prosecution matters in Taiwan for our foreign clients. Some foreign clients also entrust us to file patent applications in China/Hong Kong for the purpose of saving filing costs. Our excellent performances have been highly praised by many of our foreign clients renowned worldwide.

Worldwide Clients
Business Partners
Total Applications~2021

Our Features

Excellent Ability to Handle Patent Applications

Our technical specialists have excellent backgrounds in many technology fields including semiconductor, chemistry, bio-chemistry, mechanical engineering, electrical engineering, information science, etc. This strong foundation helps us to conduct patent prosecution more efficiently among various technical fields.

Outstanding and Well-Trained Staff

Our technical and legal professionals have exceptional educational backgrounds and work experiences. We continually arrange a series of well-planned training courses for our staff to help them advance their professional skills. New patent engineers are supervised and mentored by their peers making sure our service is consistently professional.

Excellent Language Ability and Good Communication Skills

Japanese or English proficiency is a prerequisite to become a member of our staff. We have strict criteria to judge English or Japanese proficiency as part of our hiring process. Being an international IP firm, continued language training is crucial to our firm’s success. Therefore, this is a focus of our talent development. This results in an outstanding ability to communicate with foreign clients more effectively.

Quality Management

  • Specifications Translated by Patent Engineers with corresponding Technical Backgrounds.
  • Reviewed by Experienced senior staff.
  • Emphasis on Cooperation with Other Foreign Patent Firms.
  • Urgent cases may be handled upon client’s request.
  • Preparation of Errata for Applicant’s Confirmation.

Create errata of spec..

Errata are reviewed by senior staff,
and fed back to clients with suggestions.
Clients' confirmation.

Follow clients’ instructions, accomplish spec..
Submittion to TIPO.

Discuss with clients.

Collect data, review technology, and write spec..

Modify spec. based on client’s feedback,
until it’s approved by clients.
Submittion to TIPO.
Our firm is proud that we adopt a highly deliberate translation system.
The system enables us to provide clients with a quality and assurance that is not achieved by other firms in Taiwan.