LexField Law Offices

LexField Law Offices, based in Beijing, provides a full spectrum of IP services. Our services include strategy counselling, prosecution, enforcement and litigation on commercial and regulatory matters, covering trademarks, patents, copyright, domain names and competition.

Our professionals have graduated from top-tier Chinese and overseas educational institutions. In addition to rich experience in the IP law field, many of us have a good educational background or industrial experience outside the legal world. This has contributed to the knowledge, insight and skills necessary to meet our clients’ various demands.

We always serve our clients in a business-sensitive, result-orientated and cost-effective manner. Our clients include prestigious multinationals and Chinese companies across a diverse array of industries, from telecommunications, automobiles and information technology to life sciences, consumer products, pharmaceuticals, energy and chemical engineering. They include established market players and emerging newcomers. We tailor our services in response to different demands from different clients and are proud of the value we are able to add to our clients’ business.

Firm history

The firm was founded in 2004 by Ms Jan Liu, a leading IP attorney in China, under the name Jan Liu & Associates providing services of trademark, unfair competition and copyright matters. In 2009, the firm joined forces with a top-calibre litigation and patent prosecution team led by Mr Hongyi Jiang. The firm then changed its name to LexField Law Offices and started to provide full IP legal services.

Firm pride

The firm enjoys trust and commendation from clients, including a number of Fortune 500 companies; this means that a major way in which we attract new clients is by word of mouth.

LexField’s professionals and practice groups are recognised by the world’s most respected legal publications (eg, Chambers & Partners, Managing Intellectual Property, WTR 1000, IAM Patent 1000, Asia IP), receiving top rankings year after year.

Firm strength

Unrivalled trademarks practice

The firm’s trademark team, led by Ms Jan Liu, is outstanding in the market for high-quality service. The team is highly responsive, provides tailor-made advice and understands the nuance of clients’ business. As a result, the trademark team has been highly recognised by both our worldwide clients and our Chinese peers.

The trademark team comprises over 40 trademark professionals, including attorneys at law and trademark agents. It represents a large number of companies worldwide, including large multinationals, Fortune 500 companies and rapidly growing companies across diverse industry sectors.

Unsurpassed litigation practice

Many of the cases that the firm has handled have had widespread impact in China, setting new standards in IP law and establishing LexField as a leader in the IP litigation arena.

Pharmaceutical patent litigation is one of the most complicated and complex practice areas in the field of patent law. The LexField litigation team has rich experience in this field and may have handled the largest number of pharmaceutical patent litigation cases in China, including many landmark cases.

Our litigation team has won more than 30 IP retrials and retrial applications before the Supreme People’s Court in the past few years – more than any other firm. Retrial cases before the Supreme Court overturn judgments made by provincial higher people’s courts and are the most challenging in the Chinese legal system. The firm’s record demonstrates that the team clearly has the edge over competitors in the field.

Sophisticated prosecution and commercial IP practice

With a close interaction with the litigation team, our prosecution and commercial IP team is well equipped to help clients build and exploit their patent portfolio in a cost-effective manner and is ready for enforcement and litigation. We help clients mine and identify legally protectable innovations, set up mechanisms internally and externally to safeguard and commercialise their innovations and draft and prosecute patents that are intended to survive potential challenges and hold copycats liable. We conduct ourselves as an extension of the client’s research and development, marketing and in-house legal team. We proactively serve as the manager of the client’s IP assets to ensure that the client’s legal fees are a justifiable investment for the enhancement of the IP assets which in turn increase the client’s competitive edge in the market and the value of the company.

Contact details

LexField Law Offices
Suite 1009 China Life Tower
16 Chao Yang Men Wai Street
Chaoyang District
Beijing 100020

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