Introduce

Established in 1999, Hunan Zhaohong Patent Law Office（Hunan Zhaohong）is the earliest partnership firm which is operated in accordance with the market regulations by referring to the standard of international intellectual property（IP）service industry in Hunan Province of China. We were designated as a foreign patent law firm by the State Intellectual Property Office of P.R.C.（SIPO）in 2002. Hunan Zhaohong has a team with excellent and experienced patent agents, trademark agents and patent attorneys.  Our Patent attorneys are specialized in the technical field such as mechanics, electronics, telecommunications, computer science, biology, chemistry, agriculture, optoelectronics equipment, material, etc. Our motto is try our best to provide smarty,quality service to consigner, transform your work and wisdom to the property protected by law.

 So far, We have processed several thousands of case of patents application & trademark for a lot of famous, Listed companies, large and medium-sized enterprises, research institutes, institutions and people from various circles, besides, we have also have rich experience in processing a lot of intellectual-property-referred case, for example invalidation proceedings, Patent infringement litigation and so on. In the promotion of high-tech transformation, our plenty detail job Bring enormous economic benefits for  the Patentee.  

 Our business

• Prosecution of Patent applications; Representation for parties in reexamination and invalidation proceedings;
• Trademark application for registration; Alternation, renewal and assignment of registered trademarks; Trademark consultation and search;
• Representation of Computer software registration, Integrated circuit layout designs protection registration and Copyright registration;
• Litigation services including the Patent rights of application and ownership litigation, Patent infringement litigation, etc;
• IP Legal counseling services for the corporation, institute and individual;
• Advice on Patent infringement analysis, Patent strategy research and IP Management;
• Patent search and Patent infringement investigation;
• Prosecution of PCT international patent applications filed with the Chinese Patent Office or PCT international patent applications entering the Chinese national phase; Prosecution of Patent applications directly entering the foreign country.  

 Notice

Our whole tellphone No. is 
            86-0731-82223868 or
            86-0731-82237868 or
            86-0731-88860868 or 
            86-0731-88857868

Our whole Fax No. is 
            86-0731-82259868