AFD China Intellectual Property Law Office > Beijing, China > Firm Profile

AFD China Intellectual Property Law Office
Golden Towers, Tower B, 21st Fl.
38 Xueqing Road
Haidian District
Beijing 100083

China > Intellectual property: PRC firms Tier 3

Regarding non-contentious work, AFD China Intellectual Property Law Office has an ‘experienced and very knowledgeable’ team that assists with the filing, registration and prosecution of all types of IP. The group, is particularly active in patents; key partner Xia Zheng  has previous experience working as an in-house patent agent, while Hong Long has worked with major telecoms companies in invalidation proceedings. In addition to its China offices, the firm has a practice in the US, allowing it to  effectively serve multinational clients.

Other key lawyers:

Xia Zheng; Hong Long; Jingjing Wu


‘AFD attorneys are experienced and very knowledgeable across many industrial sectors, particularly automotive and communications, and highly skilled in all areas of intellectual property.’

‘Ms. Xia Zheng and her team are highly responsive and very skilled in all areas of intellectual property.’

AFD have a very broad spectrum of service assisting their and our clients through the life of their intellectual property and their experience and expertise in a diversity of fields is really second to none when compared with other CN firms whom we instruct. In addition, their responsiveness, English capability, work quality, and knowledge of law is also second to none compared with other CN firms.’

Xia Zheng is standout in her field within the CN Patent attorney community.’

I used Xia Zheng and her team and find them excellent, timely, good value, accurate and very helpful.

I really think that Xia Zheng is an excellent Attorney.’

Key clients

Guangdon Oppo Mobile Telecommunications Corp Ltd.


Coca Cola







BOE Technology Group Co., Ltd.


AFD China Intellectual Property Law Office offers a comprehensive range of intellectual property services in China to individuals and to corporate clients all over the world, which includes but is not limited to patents, trademarks, copyrights, domain names, new plant varieties, trade secrets, anti-unfair competitions, and other IP-related legal matters.

The firm covers a board spectrum of technical areas, and has a lot of experience dealing with cutting-edge technologies such as big data and block-chain, the Internet of Things, machine learning, artificial intelligence, telecommunications, and many others. It also serves big clients in the industry of fast consumption products, life sciences, mechanics and energies.

AFD has been actively involved in domestic and foreign-related matters and instituted a robust and effective governance framework that ensures transparency in organisational functioning, delegation of authorization and quality assurance. Policies and standards are strictly implemented for quality, efficiency and punctuality of our service.

The firm has over 150 IP practitioners and over 50 supporting staff, including a team of patent litigation attorneys and lawyers within the litigation arm BHTD Law. The professional team consists of senior R&D people, former examiners, former in-house counsels, PhDs, and foreign-country returnees. Its counsel team includes former heads and senior examiners, law experts, technology experts, and mediation professionals.

The firm also has a good track record of client satisfaction. Some comments collected from its clients are “the team’s working philosophy is praiseworthy; it really operates in the best spirit of the law, rather than advising clients to sidestep regulations based on technicalities.” “delivering a premium service promptly and for a reasonable cost, the firm’s strong suit lies in its creativity.” and “shrewd arguments in administrative contentious proceedings give the firm an edge.”

AFD China is a standing director firm of the Beijing Patent Attorneys Association and a director firm of the Capital Intellectual Property Service Association. It has been accredited an AAAAA-level (top tier) patent firm by the Beijing Patent Attorneys Association. Its good performance helped it win the title of ‘Outstanding Patent Agency’ several times and assisted its clients win many prizes at the China Patent Awards. One of its patent litigation cases was selected as exemplary case by Beijing Higher People’s Court. On trademark practice, it is a Council Member firm of the China Trademark Association and assists clients.

Mingzhao Yang photoMr Mingzhao YangPresident
Xia Zheng photoMrs Xia ZhengFounder
Number of attorneys : 114
Number of engineers : 28
Number of case coordinators : 65

CLIENT: John Bostrom, CEO
COMPANY/FIRM: H.O. Bostrom Company
TESTIMONIAL: Over the past years, AFD China has provided excellent services, providing the IP legal filings during our growth of markets in China. Their legal team has continued to support our applications with the timely filing notices to continue every action for successful completion. We have a high respect for the legal opinions their team provide that allow us to make informed decisions.

CLIENT: Dr. César García Plumed, Patent Liaison
TESTIMONIAL: I only have positive comments about AFD China’s services for Lipotec. Particularly, I am very pleased for the feedback provided to me to response Office Actions in China and for the adaptability with all our requirements and changes.

CLIENT: Nicole Czienskowski, Patent Administrator
COMPANY/FIRM:  Schindler Group
TESTIMONIAL: Working with AFD China is great and I do not find any point for criticizing or where I could recommend to do it better. The reason why their clients are satisfied with AFD China and the work that AFD China does is to be seen every day in their letters: clear, quick, understandable.

CLIENT: Mark Hickey, Director of Trade Marks
COMPANY/FIRM: Murgitroyd & Company
TESTIMONIAL: We have had the pleasure of working with Xia Zheng and AFD China for in excess of ten years. We have always found their advice to be of the highest standard. Our enquiries are dealt with very promptly and the team at AFD China always appreciate both the legal and commercial priorities underlining our client’s objectives for the Chinese market. We have no hesitation in recommending their services.

CLIENT: Ed Andrews, President
COMPANY/FIRM: New Era Research
TESTIMONIAL: I wanted to compliment Xia Zheng and AFD China on the excellent handling of my Chinese Patent Application. The thorough responses and detailed explanations throughout the prosecution process were very informative and helpful. The knowledge of the Chinese Process and the understanding and recommendations on this case certainly were instrumental in it’s final approval. I would be pleased to have AFD China handle any matters or further dealings on my behalf in China.

CLIENT: Intellectual Property Department
COMPANY/FIRM: Beijing New Building Material (Group) Co., Ltd.
TESTIMONIAL: People at AFD China work with conscientious and responsible attitude and provide most suitable solutions to our IP needs and requirements. The works they provide are always handled in a rigorous manner; the outcomes are of high quality and efficiency. The IP attorneys are highly professional and very knowledgeable legal- and technical-wise. They showcase strong ability in IP digging, planning, prosecuting, analysing, and guiding our inventors in divergent and creative thinking. The staffs are nice and polite, never ignore us or prevaricate.  In addition, we are particularly impressed by what they can achieve in those urgent and stressed situations.

CLIENT: Richard Stockton, Patent Attorney
TESTIMONIAL: Every issue is contemplated and thus we do not need to go back to the client multiple times to obtain answers.

CLIENT: Paul Hilton, European Patent Attorney, Manager IP Services
TESTIMONIAL: I am very happy with the service AFDIP provides. Analysis and proposals are always highly relevant and ease decision-making this end.

CLIENT: Michael B. Comeau, Esq., Partner
COMPANY/FIRM: Fishman Stewart PLLC
TESTIMONIAL:  You consistent provide excellent service, are a pleasure to work with, and I recommend your firm at every opportunity.

CLIENT: Charles Huang, Senior Associate (Patent Attorney)/UK Head of China Desk – Patents
COMPANY/FIRM: CMS Cameron McKenna Nabarro Olswang LLP
TESTIMONIAL: We are generally very satisfied with AFD’s services.  We think AFD has done everything we would expect from a good Chinese patent agency.

CLIENT: Steven McIlroy, Director, European Patent Attorney, Chartered Patent Attorney, IP Patent Litigator
COMPANY/FIRM: Cameron Intellectual Property
TESTIMONIAL: Myself and my colleagues are very happy with the quality of service received from AFD, and the responsiveness and professionalism of its staff.  We particularly appreciate the proactive advice received in relation to options for overcoming Office Action objections which makes it easier for us to advise our clients efficiently.

AFD China has a client-supporting team in Washington, USA, which helps bridge the time difference and respond to overseas inquires in a timely manner. We have built partnership with 200 law firms in 30 countries and regions with which we have maintained wide and in-depth collaborations. Such close cooperation strengthens and diversifies our international capabilities.

Together with our partners, we assist a wide variety of clients in filing and prosecution around the globe. Among them are Fortune-500 enterprises like Nike, Coca Cola, tech giants like Meta (formerly known as Facebook), and biotech companies with state-of-art products and technologies like Intercept Pharmaceuticals and Illumina.

With multi-jurisdictional experiences, we understand the subtle nuances among different legal systems and keep developing sophisticated approaches to deal with various issues and to produce suitable solutions for clients with diversified needs. Meanwhile, we are a multi-lingual team with excellent English proficiency and German, Japanese and Korean capabilities.

Because of the outstanding performance, we were recognised by the Capital Intellectual Property Service Association as a patent firm with strong international IP service abilities in September 2020.

Our services have been recognized by the industry and won awards in the surveys of several well-known overseas platforms. We are awarded the Patent Litigation Firm of the Year and Pharma, Biotech & Life Sciences Firm of the Year of China IP Awards 2021, the Patent Firms of the Year of Asia IP Awards by Asia IP. We have been Asia IP ranked firm in patent prosecution and patent contentious, as well as trademark prosecution since 2015. We have been IAM Patent 1000 ranked firm in patent prosecution and strategy since 2016. We are awarded IP Stars recommended firm in patent prosecution and patent contentious and trademark prosecution by Managing Intellectual Property every year since 2015. We are WTR 1000 ranked firm in trademark prosecution and strategy every year since 2018.

AFD China Has Been Participating in Charity Work for Many Years to Fulfill its Social Responsibility

AFD China funded rehabilitation of children with cerebral palsy2020 was an unusual year. The Covid-19 pandemic has disrupted our lifestyle and prompted many to redefine the essence of life. Businesses have been taking major or small impact, some plunged in depression and some recovering vibrantly. Life goes on despite the disruptions and we need to forge ahead and so does our endeavor to take more social responsibility by keep contributing to charity.

AFD China Awarded 2019-2020 Beijing Excellent Patent Agency and Director Long Hong Awarded Excellent Agent

In December 2020, the Beijing Patent Attorneys Association announced the results of "Double Excellence Selection" – excellent patent agencies and excellent agents – for the year of 2019-2020. Our firm AFD China Intellectual Property Law Office was awarded Beijing Excellent Patent Agency and it has been the fourth time that we received the honor. Our Domestic Technical Director Mr. Long Hong has been recognized as an Excellent Patent Agent in Beijing in the same selection.

AFD China Was Once Again Honored as An AAAAA-Level (Top Tier) Patent Agency

On May 12, 2021, Beijing Patent Attorneys Association announced the rating results of the year 2020 for patent agencies in Beijing. AFD China was once again rated as an AAAAA-level patent agency.

The 22nd China Patent Award Was Released – AFD China’s Clients Won One Gold Award and One Excellence Award

On June 24, 2021, the winners of the 22nd China Patent Award were announced by the China Intellectual Property Administration (CNIPA). The China Patent Award is co-organized by the China Intellectual Property Administration and the World Intellectual Property Organization, and the winners are decided according to the China Patent Award Evaluation Method.

AFD China Continued Receiving Positive Feedbacks in the 2020 Client Satisfaction Survey

In June 2020, AFD China Intellectual Property launched this year’s client satisfaction survey and got 94 out of 100 points for the overall satisfaction.

AFD China Selected into the Directory of Beijing IP Firms with Strong International IP Service Abili

At the China International Services Trade Fair held in September 2020, the Capital Intellectual Property Service Association released a directory of Beijing IP firms with strong international IP service abilities, into which AFD China Intellectual Property Law Office was selected.

AFD China Moved to a New Address

On September 27, 2020, AFD China has moved its business location to a new address: Golden Towers, Tower B, 21st Floor, 38 Xueqing Road, Haidian Disctrict, Beijing.