Beijing Dacheng Law Offices, LLP ("大成") is an independent law firm, and not a member or affiliate of Dentons. 大成 is a partnership law firm organized under the laws of the People’s Republic of China, and is Dentons' Preferred Law Firm in China, with offices in more than 50 locations throughout China. Dentons Group (a Swiss Verein) ("Dentons") is a separate international law firm with members and affiliates in more than 160 locations around the world, including Hong Kong SAR, China. For more information, please see dacheng.com/legal-notices or dentons.com/legal-notices.

Intellectual property

Practice areas


Dacheng’s Intellectual Property and Technology lawyers possess both an academic groundwork in IP law and on-the-ground experience in technology and IP-related management and consultation. Many of them hold licenses and certificates for chartered IP services.

Through this combination of pr...


Dacheng’s Intellectual Property and Technology lawyers possess both an academic groundwork in IP law and on-the-ground experience in technology and IP-related management and consultation. Many of them hold licenses and certificates for chartered IP services.

Through this combination of practical experience and technical know-how, they devise creative and effective solutions for our clients. From creating your IP to protecting and managing it, we help you get the most out of your most valuable creative assets.

Domestic and foreign clients alike rely on Dacheng’s IP team in China to handle patents, trademark, copyrights, unfair competition claims, counterfeiting protection, antitrust concerns, IP abuse, trade secrets, domain names, e-commerce, cyber transmission technologies, data and privacy protection, mass communication, franchising and more.


Key services in this area include:

Patent and trademark, anti-counterfeit and anti-monopoly

• Search, analysis and appraisal, freedom-to-operate analysis, legal risk assessment and prevention

• Domestic/international registration of patents and trademarks, and related administrative procedures

• Operations, portfolio management, licensing of IP, related negotiations

• Investigating IP infringement and litigationIP abuse-related anti-monopoly administrative investigation, handling procedures and civil litigation

• Anti-counterfeiting investigations, administrative and judicial investigative procedures

• IP customs  filings and law enforcement investigations

Copyright, databases and media

• Copyright matters related to books, publishing, broadcasting, performance, audio and video, film, television works and other media

• Copyright legal matters related to network transmission rights, including Internet and mobile networks

• Copyright development, licensing, assignment and copyright trade

• Dispute resolution, litigation and arbitration

• Legal, data and privacy protection of innovative technologies

Trade secrets and unfair competition

• Establishing systems for classification and management of trade secrets

• Comprehensive measures  for protection of trade secrets

• Dispute resolution through civil representation

• Representation in criminal procedures against leakage of, or infringement upon, trade secrets or proprietary technology

• Representation in lawsuits against other types of unfair competition, such as commercial bribery, false publicity and defamation of business reputation

Domain names, e-commerce and franchising

• Domain name registration and relevant recordkeeping

• Disputes involving cybersquatting, trademark squatting and other name squatting

• Advising on e-commerce planning, risk prevention and control issues

• Advising on franchise laws, including daily operation of a franchise and qualification issues

• Resolving franchise operation disputes and relevant contractual issues