Partner and Member of the firm’s Management Committee

Yiyuan Office Building, Friendship Hotel No.1 Zhongguancun Street South, Haidian District


Top 250 Women in IP 2023

Trade mark star 2023




Practice areas:

Geographical indications
Trade mark

Industry sectors:

Film & music
Hospitality & leisure

Haiyan Ren is a Partner at Wanhuida Intellectual Property and a Member of the firm’s Management Committee. She is the most experienced trademark attorney of the firm, starting practising as a trademark attorney in 1994 and progressively extending her practice to design patent counseling and strategic planning for integrated IP rights protection.

In her 27 years of practice, Ms. Ren has handled high-profile cases relating to trademark and design patent filing, registration, litigation and dispute resolution. She has advised numerous Fortune 500 companies on trademark profile auditing, strategic planning for trademark and design protection, domain name disputes, unfair competition, Customs border protection and criminal enforcement.

Ms. Ren was elected to the China Trademark Office Subcommittee of the INTA Trademark Office Practices Committee for her significant experience in the field. She is also a sought-after speaker at IP-related seminars and conferences throughout China and has given speeches at various global annual conferences organized by INTA, IACC and others.

She authors or co-authors a dozen articles. Some of her most recent articles includes: “Several Issues We Should Know in the Battle against Bad-Faith Trademarks in China”, “Becoming more strategic in fighting bad faith filing in China” and “Bad faith trademark filing”.

As one of the firm's main representatives, Ms. Ren has been nominated as a leading individual practitioner in the field of intellectual property in China. She was included in MIP’s 2021 & 2020 edition of Top 250 Women in IP for her exceptional performance for her clients and firms. She was named as an “Outstanding Individual” by the World Trademark Review in 2011, 2012, 2017, 2018 and 2019 and 2022. She has been an “IP STAR” in China rated by MIP since 2017. Since 2019, Haiyan has been listed as a recommended IP Lawyer by The Asia Pacific Legal 500.

Year Joined Firm: 1999

Education/Alumni: China Foreign Affairs University

Network Memberships: INTA, IACC, AIPPI