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Key practice areas
Intellectual property
Trade mark
Patent
Patent prosecution - domestic firms
Patent disputes - domestic firms
Firm overview

AFD China is a privately-owned IP firm based in Beijing, China with a client-supporting team in Washington State, USA.

AFD provides a broad spectrum of intellectual property services in IP prosecution, strategy planning, transactions, asset management, IP litigation and other IP-related concerns for strengthening and protecting our clients' intellectual property rights in China. We listen, we care, we analyze their concerns, and we work with clients to achieve their goals. We are committed to helping our clients establish, maintain and protect their intellectual property rights by providing expertise to reach practical and cost-effective solutions. To accomplish our mission - provided quality services with efficiency - our attorneys combine their legal and technical expertise to better understand your business objectives, to offer personalized, professional and responsive services to provide solutions and create opportunities for you.

Values
AFD always adheres to the fundamental objective of good practice and delivering premium services to clients. We strive to support our clients' needs the best way that we want to ensure the satisfaction of our services. Following such a service tenet, we treat our clients with respect and integrity, hearing what they require, caring what they want, and providing what they desire, in order to maximize the achievement of our clients.

Meanwhile, AFD persists in adopting forward thinking throughout our work, so as to seize at our most ability any possible opportunities and avoid any possible risks for our clients in a responsible manner. Since the establishment of our firm, we have believed in that sincerity and professionalism are the keys to success, which we still believe in and will go on practice such beliefs in our daily work.

Services
AFD offers to clients of all sizes and types, whether in China or abroad, a comprehensive range of intellectual property services in China, including patents, trademarks, copyrights, unfair competition, trade secrets, domain names, licensing, and other legal areas dealing with technology and intellectual property. We also provide a broad spectrum of consulting services in IP strategy, transactions, asset management, IP litigation and other IP-related concerns for strengthening and protecting our clients' intellectual property rights in China.

In addition to dealing with IP matters within China, we also work with a well-established network of leading intellectual property firms in other countries or regions to assist Chinese inventors and entities to file and prosecute patent and trademark applications and protect their IP rights abroad.

Featured Operations

  • Advanced Recommendation - We provide forward-thinking advice with a comprehensive overview at each step of the whole process, using every opportunity to benefit the client's case. We will inform our clients what the next procedures are and what our recommendation towards the prosecution is, pointing out the directions with available choices.
  • Quality Inspection - Ever since the establishment of our firm, we have committed to our clients that we will deep-root in quality and professionalism. Accordingly, quality inspection is applied to all of our works regardless of size, frequency and value. It includes a cycle control procedures of problem finding, training, monitoring, auditing, re-training, re-inspecting and auditing in order to prevent repeated occurrence of any problem and to make our professional training more sustainable and focus on hit and current subjects.
  • Approach in Complex/Difficult Situation - We have a reputation in tackling difficult cases and defending our clients in complex situations. It is borne in our practitioners' mind to always stick with legislation foundation of general and specific laws and rules even in worst-case scenarios. Guiding by this principle and striving to pursue good results, we have reversed unfavourable situations and saved a few cases.


Professionals
We have sufficient critical mass (about 130 patent attorneys and engineers, 8 trademark attorneys and 11 attorneys-at-law) to maximize efficiency of representation and ensure a good work outcome.

Our attorneys are well-versed in the laws of China related to patents, trademarks, copyrights, software, and more as well as well-trained in various disciplines. This combination of legal and technical expertise means our professionals are well equipped to understand our clients' needs.

Many have studied abroad and have science and technology backgrounds and/or advanced degrees in such diverse fields as electrical engineering, electronic technology, telecommunications, semiconductor fabrications, computer technology, digital and analog circuits, optical and fiberoptic systems, chemical and petrochemical products and processes, biotechnology, pharmaceuticals, Chinese medicines, organic synthesis, metallurgy, materials science, agricultural chemicals, mechanical engineering, instrumentation, machines and engines and other scientific disciplines. In addition, some have had years of experience working at the State IP Office as patent examiners.


Last Updated 13 July 2021

Address:
Golden Towers, Tower B, 21st Fl.
38 Xueqing Road, Haidian,
Beijing 100083
Tel:+86 10 8273 0790 Fax:+86 10 8273 0820 Email:Contact Us Web Address:http://www.afdip.com
2026 Edition
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Overview

AFD China collaborates with its sister law firm, Beijing BHTD Law Firm, to offer one-stop intellectual property services covering filing and dispute resolution to clients. It is recommended for contentious and non-contentious IP work. The firm is also a frontrunner in sectors including blockchain and big data. 

Notable patent practitionersHong Long and Xia Zheng. 

Notable soft IP practitioner: Jingjing Wu. 

 
Testimonials

2026

"What I particularly appreciate about AFD China’s IP litigation service and team is their combination of technical depth, strategic insight and practical efficiency. They consistently demonstrate a strong grasp of both the legal and technological aspects of each case, which is essential in IP disputes.
Their team is also proactive in identifying risks and opportunities, allowing us to make well-informed decisions at every stage of the litigation process.
Their ability to work collaboratively while maintaining a client-focused mindset makes them a trusted partner for IP litigation matters in China."

"The team communications are always clear, timely, and proactive, which allows us to manage deadlines and client expectations efficiently. I also value the team’s ability to provide practical, business-oriented guidance, offering well-reasoned recommendations.
Overall, working with AFD China gives us strong confidence that our matters are handled with competence, care, and efficiency."

"AFD are the best IP firm we have worked with in China and Asia in general. Super smart services, out of the box strategies, superb responsiveness and  one of a kind professionalism headed by Xia who is a top-notch professional."

"Super helpful, careful, effective and cost-reasonable  "

"AFD give always a very in-depth analysis of complex issues and careful recommendations that you can easily follow and adopt. they are our to-go to firm in Asia on all IP issues. "

Xia Zheng

"Xia is a top-notch IP attorney in China. She is our go-to practitioner in Asia for all regular and complex IP issues. A really superb practitioner "

 

2025

"AFD China has consistently provided very high-quality work, including on analysing office action responses, providing recommendations for amendments and arguments, and submitting the responses.”

“First and foremost, work quality and efficiency.”

“Reliability, responsiveness, reasonable fees.”

"Responsiveness, breadth and depth of experience, and resourcefulness."

"The quality of their service is excellent."

"Their handling of our cases are perfect, and we highly appreciate their professionalism."

"Their service is excellent."

"They handle our cases very efficiently and professionally."

"They respond promptly, usually giving broad context of the issue and with a proactive approach."

"Very high-quality work and very reasonable pricing."

"We are satisfied with their work and services. We are familiar and comfortable with their team.”

Linked Reviews
Patent

The firm represented one of the biggest sports brands in the re-examination. In response to the negative re-examination opinions regarding inventiveness, the firm made a careful analysis to seek appropriate amendments that would be clearly distinguished from the cited references. 

Trade mark

Case studies show the firm acts for a variety of clients in trademark invalidation and infringement cases. For instance, the firm has successfully handled many trade mark cases in various industries, including consumer goods, cosmetics, and technology.

4 results4 results
Xia Zheng, founder of AFD China, discusses balancing legal work with BD, new approaches to complex challenges, and the dangers of ‘over-optimism’
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