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德 权   知 识 产 权
DEQUAN IP AGENCY​


Knowledge  Changes  Destiny


Professionality  Creates Value

DE QUAN
Beijing Bright & Right Law Firm​ 
Beijing ZHONGDA DEQUAN Intellectual Property Agency Co., Ltd. ​​​​​
  • Patent
  • Trademark
  • Copyright
  • Litigation

Patent filing

Responding to Office Actions

Re-examination and invalidation

Patent search and infringement supervision

Analysis of patent infringement

Maintenance and transfer of patent rights



Trademark search and watch

 Trademark registration application

 Change of name and/or address

 Trademark assignment

 Trademark renewal

 Change, assignment, renewal of a trademark

 Trademark license recordal

 Custom recordal

 Trademark opposition

 Non-use cancellation

 Trademark invalidation

 Appeal against Chinese Trademark Office’s decision

 Negotiation of license and assignment

 Actions against trademark infringement

Copyright recordal of art work

Copyright recordal of computer software

License and assignment recordal of copyright

Custom recordal of copyright

Copyright enforcement


IP infringement litigation

Administrative litigation

Administrative actions against counterfeiting goods

Actions against online counterfeiting goods

Representation in customs recordation and investigations

Domain name dispute

Drafting agreements of license or assignment for patented and trademark

Legal consultation on IP related matters