Lexfield
Law firm introduction
Lexfield is a Beijing-based law firm focused on intellectual property, with diversified clients from the United States, Europe, Japan, China and other jurisdictions in a broad array of industries. Over the years since our inception in 2004, we have earned deep respect and trust from our clients for our steady services and stellar results delivered.
About Us

LexField Law Offices is a Beijing-based law firm focused on intellectual property, with a clientele representing a broad array of industries. Under our previous name, Jan Liu & Associates, we have earned respect around the world as a boutique IP firm specializing in trademarks, copyright issues, anti-unfair competition matters. With the July 2009 merger of our IP litigation team and a seasoned patent team, we have taken on a new name to reflect that we now provide a full spectrum of IP legal services, including patent work and IP litigation.


We represent our clients in trademark and patent prosecutions and offer counseling in regard to full IP matters, IP litigation and dispute resolution. Our trademark and patent attorneys are familiar with an extensive range of IP strategies, so the advice we give our clients is more comprehensive, more thorough, more effective. The result: Our clients' IP rights are secured, better able to resist infringement claims and in an enhanced position to accrue added value.


Our Trademark & Dispute Resolution Group is a highly recognized, with a proud reputation among many of the world's leading corporations for prosecution and enforcement issues throughout China. Aside from trademark prosecution and dispute resolution, we are skilled in trademark clearance legal opinion work and experienced in resolving complicated disputes, copyrights and anti-unfair competition disputes. We also have a proven track record of strategies that help clients select brands that generate the strongest identities in their respective markets, best protect clients' brands and related rights, avoid risk of infringement claims and protect clients' products from unfair competition. In addition, our Trademark & Dispute Resolution Group has great deal of experience in working with the China Trademark Office, Trademark Review and Adjudication Board and various levels of AIC (Administration for Industry & Commerce).


Our IP Litigation & Dispute Resolution Group is led by the pioneers in the field of Chinese IP litigation. Several of our litigators have both law and technology credentials. With our patent expertise and our in-depth knowledge of law and technology, we have successfully handled numerous patent litigations, including precedent-setting cases at every level of the Chinese court system, all the way to the PRC Supreme Court. 


Our Patent Group includes attorneys and patent agents with advanced academic degrees and distinguished credentials that span the gamut of major technical fields. In conjunction with the depth of experience of our patent litigation, our patent attorneys and agents are geared to provide clients with comprehensive patent strategies that succeed – strategies that help clients avoid infringement claims and having their patent rights infringed upon. At the same time, our Patent Group has vast experience in working with the Intellectual Property Office, which helps our clients prosecute patents efficiently and quickly.

Firm Overview

Lexfield's IP litigation team is led by IP litigation lawyers with rich experience and outstanding performance in the fields of patents, trademarks, copyrights, and anti-unfair competition. Many of Lexfield's litigation lawyers have both legal and technical qualifications. With Lexfield lawyers' comprehensive knowledge of law and technology and deep litigation experience, Lexfield's litigation lawyers have successfully handled numerous patent, trademark, copyright and anti-unfair competition litigation cases in various places and courts at all levels, including the Supreme Court, some of which are milestones. The working principle of Lexfield's litigation team is to fully understand the client's position in the case and the possible commercial advantages and disadvantages of the case to the client, so as to provide clients with a number of optional solutions. Lexfieldonly recommends litigation to clients when litigation is the best way, so as to ensure that clients can effectively protect their intellectual property rights under the reasonable use of their material and human resources. 


Lexfield's trademark and dispute resolution team has been established for a long time and enjoys a high reputation in the field of intellectual property. Over the years, it has represented many international multinational companies and small and medium-sized enterprises in handling various rights confirmation and rights enforcement legal services in China. In addition to rights enforcement services such as trademark confirmation and dispute resolution, Lexfield is also particularly good at providing legal opinions on trademark searches and legal opinions on complex disputes, unfair competition and copyright issues, providing strategic planning solutions for brand protection, helping clients select the most market-recognizable brands, so that clients' brands and related rights can be fully protected, exempt from the risk of being sued, and protect clients' products from unfair competition. Lexfield's trademark and dispute resolution team has rich experience in working with law enforcement departments such as trademark authorities. 


Lexfield's patent team has advanced academic qualifications and professional knowledge in major technical fields. With rich experience in patent litigation, Lexfield's patent attorneys and agents are able to provide clients with comprehensive and appropriate strategic opinions on patent applications and examinations, including writing high-quality patent application documents for clients that can effectively prevent infringement avoidance and invalidation risks. Lexfield's patent team has extensive experience in working with the Intellectual Property Office (Patent Office), which enables Lexfield's clients patent applications and examinations to be conducted efficiently. 

Our Value

LexField Law Offices is a Beijing-based law firm focused on intellectual property, with a clientele representing a broad array of industries. Under our previous name, Jan Liu & Associates, we have earned respect around the world as a boutique IP firm specializing in trademarks, copyright issues, anti-unfair competition matters. With the July 2009 merger of our IP litigation team and a seasoned patent team, we have taken on a new name to reflect that we now provide a full spectrum of IP legal services, including patent work and IP litigation.