China

Firm overview

Founded in 1994, Lung Tin Intellectual Property Agent Ltd. (“Lung Tin”), one of the first Chinese intellectual property firms approved by the government to represent international clients in China, is headquartered in Beijing with branch offices in Hong Kong, Shanghai, Shenzhen, Xi'an, Shenyang, Xiamen, Tianjin, Chongqing, Foshan, Osaka, and New York. Since its establishment, Lung Tin has grown into a prominent full service IP firm, having a network of strategic alliances worldwide to provide clients with global IP services.

The firm has over 260 attorneys out of over 500 staff members. About half of its staff members have advanced degrees and about two-thirds use English as their working language. In addition, many are fluent in Japanese, Korean, German and French.

Lung Tin’ s patent team has expanded to over 350, and forty-plus of them are dual qualification Patent Attorneys and Lawyers, blending scientific know-how and legal competence, providing high-quality prosecution service not only in traditional technical fields such as mechanics, physics, electronics, chemistry and pharmaceutics, but also in newly emerging technical areas, such as 5G, blockchain and artificial intelligence. Our clients include a great number of well-known international companies.

What makes Lung Tin different?

• Commitment and dedication – Lung Tin is a quality-focused IP firm that distinguishes itself from other firms and agencies by employing:
• Experienced and confident professionals. Its key professionals have been with Lung Tin for more than 15 years, helping it deliver consistent and top-quality IP services – both legal and technical. The firm’s professionals have the technical skills to interpret complex facts and the law with scientific expertise, and are committed to providing tailored services of the highest standard with efficiency and effectiveness; and
• Responsive and efficient paralegals and assistants who support the firm’s professionals to ensure prompt, precise and cost-effective delivery of work by using state-of-the-art equipment and a detail-oriented system for communication, product processing, docketing and billing.

How does Lung Tin earn clients’ trust?

• Reliability and success – this is what Lung Tin delivers to clients. Specifically, delivering value to clients with accuracy, consistency, speed and reliability is of primary importance at Lung Tin. From individuals to multinational companies, its clients trust it to handle some of their most important assets: their intellectual property.
• Skilful and well prepared – this has helped the firm to win a high-damages award under the current judicial practice in China.
• Strategic and technical – this ensures that the firm’s efforts are well recognized.
• Persistent and sharp-minded – this ensures that the attorneys deliver satisfying results to clients.
• Pioneering and talented – this helps the firm to achieve significant results.

Rankings and awards

• Recommended Firm for Patent Prosecution by the IAM Patent 1000, 2014-2022
• A Top Tier Firm for Patent Prosecution, Patent Litigation, and Trademark Prosecution by Managing Intellectual Property (MIP), 2010-2022
• Recommended Chinese Trademark Firm, by the WTR 1000, 2015-2023;
• Outstanding IP Service Team in China by China Intellectual Property Magazine, 2015-2022
• Asia IP China IP Awards by Asia IP, 2021-2022
• Four-star Patent Firm in China by China IP News, 2016
• Top 15 Chinese Firms for PCT Work by Managing Intellectual Property (MIP), 2017
• Top 10 Chinese Patent Firm by IPRdaily, 2016-2019
• Top 10 Intellectual Property Litigation Law Firms by IP House, 2019-2020
• Top 10 Firm for China Patent Administrative Litigation by IP House, 2017-2019, 2020-2021
• In Nanjing Chia-Tai Tianqing Pharmaceutical (NJCTTQ) v Ecotrein, on behalf of NJCTTQ, Lung Tin requested the CNIPA to declare the patent of "novel sulfonamide compounds and their application as endothelin receptor antagonists" invalid. This case was selected by CNIPA as one of the "Top 10 cases of patent reexamination and invalidation in 2021" and listed as the first case.
• 2020 Typical Cases of the IP Court of the Supreme People's Court for its second anniversary: Appotronics Corporation Limited. v. Dehao Electron Technology Co., Ltd., a patent infringement dispute.
• In Balanced Body Inc. v. Yongkang Elina, Shanghai Pudong Court ruled in favor of Lung Tin’s client Balanced Body Inc. in a trademark civil litigation case. The case was selected as one of the Top 10 Supreme People’s Court IP Cases, one of the Top 10 Shanghai Courts IP Cases, and one of the Top 10 Shanghai Pudong New Area People’s Court IP Cases of 2019.

Firm overview

Since its establishment in 1994, Kangxin has grown into a leader amongst IP law firms in China, with offices in Beijing, Tianjin, Qingdao, Xi’an, Wuhan, Hangzhou, Guangzhou and Dongguan. Our client base includes domestic Chinese enterprises and international companies from around the world. We represent many different businesses, including start-ups, well-known domestic entities, and Fortune 500 multinationals. With dedicated teams specializing in IP litigation, enforcement, patents, and trademark prosecution, Kangxin remains a driving force for intellectual property protection in China and throughout the world.

At Kangxin, we focus on our clients' best interests; a business practice which sets us apart from other IP firms in China. Our efforts have earned the company numerous accolades including: “Top Honors” from Chambers and Partners, Legal 500, Managing Intellectual Property and World Trademark Review.

Kangxin IP Platform is a comprehensive IP management tool, backed by a team of professionals from Kangxin Partners, P.C. Combining IP, IT, and AI technology. Kangxin IP Platform provides a smart, one-stop, solution to maintain your trademark, brand protection, and copyright portfolio with a complete suite of protection services.

Our Service

Patents

Our Patent team is divided into three main divisions: Electronics, Chemistry & Life Sciences, and Mechanics. Each division has experts in the fields of chemistry, electronics, life sciences, pharmaceuticals, biotechnology, communications and computer technology, and mechanics. With a strong team of professionals, Kangxin is able to provide specific IP insight and practical advice to our clients in these industries.

Trademarks, Copyrights & Domain Names

Staffed by attorneys with experience in both Chinese and international law and practice, Kangxin is recognized as having one of the strongest trademark practice groups in China.
At Kangxin, we understand that trademark and copyright protection is the essence of your business. Our professionals will help you determine the optimum strategy for protecting your intellectual property rights, and will work with you to enforce these rights in the event of third-party conflicts and counterfeiting.
Our expert services would not be complete without domain name services. In today’s internet age, domain name issues can be a common issue. Our team has extensive experience in domain name registration and dispute resolution. We will represent you to negotiate with third-parties and domain name related disputes.

IP Enforcement

Kangxin’s legal practice has experience in a wide variety of intellectual property disputes, including those related to patents, trademarks, copyrights, trade secrets, unfair competition, and technology transfer disputes.
Our senior patent attorneys have over 20 years of practical field experience, while our litigation attorneys are intellectual property specialists with backgrounds particularly suited for intellectual property related litigation.

IP Strategy and Design

Our IP strategy and design practice includes preliminary, invalidation, and infringement searches. We provide IP strategic consulting services, and create patent maps for clients. In conjunction with both the Chinese government and corporate clients, we complete successful strategy projects each year.

Firm overview

Perkins Coie is a leading international law firm that is known for providing high-value, strategic solutions and extraordinary client service on matters vital to our clients’ success. With more than 1,200 lawyers in offices across the United States and Asia, we provide a full array of corporate, commercial litigation, intellectual property and regulatory legal advice to a broad range of clients, including many of the world’s most innovative companies and industry leaders as well as public and not-for-profit organizations.

Perkins Coie is frequently recognized for its leadership in the legal profession:

FIRM ACCOLADES

• Named among the "100 Best Companies to Work For" for 21 consecutive years by Fortune, 2003 – 2023
• Ranked among the “Best Workplaces in Consulting & Professional Services” by Great Place to Work®, 2017 – 2023
• Named one of 2021’s Best Workplaces for Parents™ by Fortune
• Recognized as an Am Law 50 firm on The American Lawyer 100 list, 2013 – 2022
• Ranked 14th largest law firm in the United States by attorney headcount by Law360, 2023
• Chambers USA recognized 194 lawyers, with 55 lawyers ranked Band 1, 2023
• Best Lawyers® recognized 388 attorneys, with 30 lawyers named "Lawyer of the Year," 2024
• Named a 2022 Top Workplace by The Washington Post

PRACTICE AND INDUSTRY SECTOR ACCOLADES

• Perkins Coie and three partners ranked in Chambers FinTech 2024 Guide
• Perkins Coie and individual partners ranked in Chambers High Net Worth 2022 Guide
• Named “Environment Law Firm of the Year” by Chambers USA, 2023
• Named “Law Firm of the Year” in Technology by Best Lawyers®, 2024
• Named “Law Firm of the Year” in Mining by U.S. News – Best Lawyers®, 2022
• Named “Law Firm of the Year” in Natural Resources Law by U.S. News – Best Lawyers®, 2021
• Nine intellectual property lawyers recognized in Intellectual Asset Management (IAM) Global Leaders 2023 Guide
• Intellectual Property practice recognized by China Business Law Journal awards, 2022
• Recognized as a leading patent litigation and post-grant firm by Lex Machina’s Patent Litigation Report, 2024
• Perkins Coie and 13 lawyers recognized as leading trademark professionals by the World Trademark Review (WTR), 2024
• Perkins Coie and 51 lawyers recognized by IAM Patent 1000 as patent leaders in United States and China, 2023
• American College of Trial Lawyers named 15 lawyers as fellows of the association

DIVERSITY & INCLUSION RECOGNITIONS AND RANKINGS

• Recipient of the Minority Corporate Counsel Association’s (MCCA) Thomas L. Sager Award, 2021
• Awarded Mansfield 6.0 Certification Plus for Firm Leadership Inclusion from Diversity Lab, 2022 – 2023
• Named among the Best Workplaces for Millennials by Great Place to Work® and Fortune, 2020 – 2023
• Named the #1 Best Law Firm for Women and Diversity by Seramount, 2023
• Named a 2022 Inclusion Blueprint Champion by Diversity Lab
  Recipient of Weyerhaeuser’s inaugural Law Department Diversity, Equity, and Inclusion Award, 2022
• Received top rating in Human Rights Campaign’s Corporate Equality Index, 2009 – 2024
• Ranked one of the “Best Workplaces for Diversity™” by Great Place to Work® and Fortune, 2019
• Recognized by Intel Corporation as its Most Diverse Outside Legal Team
• Named among the 50 “Best Law Firms for Women” by Seramount, 2011 – 2022

PRO BONO AWARDS AND RECOGNITIONS

• Received the Capital Area Immigrants' Rights (CAIR) Coalition's Detained Adult Champion Award, 2023
• Honored by the Washington Attorney General's Office of Military and Veteran Legal Assistance with the Veteran Heroes Law Firm Award, 2023
• ACLU of Washington’s 2021 Kathleen Taylor Civil Libertarian Award for the Black Lives Matter Seattle litigation team
• Named to Public Interest Law Initiative’s Pro Bono Recognition Roster, 2015-2016, 2019 – 2022
• Recognized in the pro bono category in the 2021 China Business Law Journal awards
• Named among the “Top 50 Companies That Care” by PEOPLE, 2021
• Received the Idaho State Bar’s 6.1 Challenge Award in the Large Firm category for Pro Bono service, 2017 – 2021
• Recognized by the Washington Lawyers Committee in 2020 for work with Compassionate Release Clearinghouse
• Honored by the Florence Immigrant & Refugee Rights Project with the 2020 Special Partnership Pro Bono Award
• Justice & Diversity Center of the Bar Association of San Francisco’s 2020 Outstanding Law Firm in Public Service Crystal Award for the Bay Area offices
• Awarded USPTO 2020 Patent Pro Bono Achievement Certificate
• Financial Times Most Innovative North American Law Firms Award named Perkins Coie a “Standout” for Oregon Center of Excellence Project

Firm overview

Purplevine IP Group, incorporated in Shenzhen, China, is a China-based, global-facing premier IP service provider, dedicated to building a bridge for international innovation collaboration and IP value realization. We provide one-stop, full-service patent solutions to our clients, covering global patent prosecution, IP analysis & consulting, IP investment, IP transaction, licensing, enforcement and dispute resolution.

Purplevine now delivers professional services through more than 400 team members, located in 10 offices worldwide. Our professional team, all from industry-leading technology companies and top-notch international firms, have unrivalled industry insight and expertise. As an internationally integrated IP service provider with a solid footing in both law and technology, Purplevine offers a wide selection of professional, innovative and practical solutions to effectively meet our clients’ every need.

Purplevine has built a global network including IP agencies, patent & trademark firms, law firms, IP operating companies and IP investment funds, with footprints in major IP centers of the Greater China region including Shenzhen, Beijing, Shanghai, Wuhan, Chengdu, Suzhou, Nanjing, and Hong Kong, as well as international IP hubs such as US and Europe.

Other locations

• Beijing
• Shanghai
• Wuhan
• Chengdu
• Suzhou
• Nanjing
• Hong Kong
• U.S.
• Europe
• Japan
• Korea