Welcome to ESSEN

• Shanghai and Taipei office were founded in 2002
• Kaohsiung office was founded in 2007
• ​Shenzhen office was founded in 2011 (Link here)
• Taichung Office was newly open in March 2019​​

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​Essen Patent & Trademark Office was founded in 2002 and was one of the first and largest IP firms in China that could handle foreign applications. ESSEN now has offices in Shanghai, Taipei, Kaohsiung, Shenzhen, and Taichung. Our goal is to serve as a bridge for our overseas clients entering the Greater China market, and for our local clients entering offshore markets. We are committed to providing excellent service through our outstanding and dedicated team and to protecting our clients’ intellectual property rights around the world.

OFFICIAL WEBSITES OF MAJOR PTO

• ​​Canadian Intellectual Property Office
• ​China Intellectual Property​ Office​
• European Patent Office​​
• ​German Patent and Trademark Office​
• ​UK Patent and Trademark Office
  

• HK Intellectual Property Department
• ​​​​​​Japan Patent Office​
• Korean Intellectual Property Office​​​
• Taiwan Intellectual Property Office
• United States Patent and Trademark Office​​​​​​​

ESsen patent and trademark office

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