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	Final Judgment: Patent Claiming for Damages of 15 Million RMB Fully Invalidated
	Recently, our firm won the second instance of an administrative lawsuit on invalidation declaration of a patent for invention, successfully having the patent fully invalidated by the Supreme Peoples Court due to insufficient disclosure of t
	Insufficient Disclosure of Descriptions—-Our Firm Won the First Instance of an Administrative Litigation for Invalidati
	Recently, our firm won the first instance of an administrative litigation case for invalidation of an invention patent, in which it is ruled that the invention patent should be completely invalidated due to its insufficient disclosure of th
	Successful Invalidation of Patent for Composition
	Introduction In the chemical field, it is difficult to seek invalidation of a patent claiming to have achieved unexpected technical effect. This case provides a strategy for successfully invalidating such kind of patents. Case Summary Upon
	We win the first instance of two patent infringement cases - The method of adducing evidence for products in the B2B fiel
	The Guangzhou Intellectual Property Court (the GZ IP Court) recently made the first-instance judgement (not effective yet) for the two zipper patent infringement cases in which we represented YKK Corporation against a Guangdong-based compan
	Linda Liu & Partners Invalidated Two Standard Patents
	Introduction The two patents involved, namely, Method for Decoding Based on Intra Prediction and Apparatus for Decoding Based on Intra Prediction, are standard patents in the worldly renowned HEVC Advance patent pool in the field of video e
	Success in Invalidating the Patent “Maintenance Free Slide Bearing” for Mingyang Technology
	Recently, the CEO of Mingyang Technology (Suzhou) Co., Ltd paid a visit to our Beijing office. He spoke high of our attorneys professional proficiency, profound knowledge of the laws and devotion exhibited in the invalidation procedure and
	Linda Liu & Partners succeeded in maintaining patent rights of “Side Release Buckle” valid
	Lead: when a design patent is cited as evidence prejudicing the inventiveness of a patent for creation-invention, the disclosure of the drawings of the design patent should be determined within the scope directly and unambiguously determine
	The review case series on trademark refusal for “中国中铁(China Railway)” represented by Linda Liu & Partners
	I. Case Summary 1. Basic facts The applicant China Railway Engineering Group Co., Ltd. (hereinafter referred to as China Railway) is a mega corporate group owned by central government integrating survey and design, construction and installa
	We successfully maintained the validity of the series of patents ”Network Structure Having Excellent Durability Against
	Guide: When the raw materials and/or manufacturing methods are different or similar, the technical features not disclosed in the evidence constitute substantial differences. Case brief: The new generation of cushioning material BREATHAIR pr
	We successfully revoked the decision of invalidation for our client made by the CNIPA regarding the patent “Synchronizi
	Guide: For invention patents with complex technical features that simplify the structure of the prior art, when considering the technical effects brought about by multiple distinguishing technical features, we should not only consider each
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News and Updates

	Our Firm Represented a Trademark Administrative Reconsideration Case – CNIPA Revokes Its Administrative Act
	Trademark administrative reconsideration refers to the administrative reconsideration cases filed with the China National Intellectual Property Administration (CNIPA) by citizens, legal persons, and other organizations in accordance with th
	Linda Liu Intellectual Property Dispatches 6-Person Team to AIPPI World Congress in Yokohama
	From September 13 to 16, 2025, the AIPPI (International Association for the Protection of Intellectual Property) World Congress was grandly held in the port city of Japan-Yokohama. As a premier global event in the intellectual property fiel
	Linda Liu & Partners Ranks in Tier 1 of “2025 Beijing Trademark Agencies T300” List
	Recently, Beijing Trademark Association held the 30th Anniversary Celebration and Trademark Development Conference in Beijing. At the conference, the annual list of outstanding trademark agencies Beijing Trademark Agencies T300 was official
	Hearts entwined, our journey never ends - Linda Liu Team-building Stories
	Culture Studio Time slips away, here comes the midsummer. Looking back to the first half of this year, Linda Liu people from Beijing headquarters and branch offices, found time to temporarily leave heavy work behind and embarked on a go-wit
	JPO and JETRO (Beijing) Delegation Visits Linda Liu Intellectual Property for China-Japan Trademark Examination Practice
	On June 20 th , 2025, Ms. Miwa Shoji, Director of the Trademark Examination Standards Office under the Examination Business Department of the Japan Patent Office (JPO), led a delegation to visit Linda Liu Intellectual Propertys Beijing head
	Linda Liu & Partners’ 5K Fun Run Kicks off in Beijing Olympic Forest Park
	On April 19, Linda Liu Partnersignited Beijings spring vibes by hostingthe Stay lit, stay YOUNGa 5K fun run game challenge in Beijing Olympic Forest Park, attracting nearly 100 participants, including staff members and their families. The r
	Linda Liu & Partners Speaks at CIPIS Summit Shanghai Station--Discussing Trends in Intellectual Property Innovation
	On April 17 and 18, 2025, the 22 nd China Intellectual Property Innovation Summit (CIPIS) was successfully held in Shanghai. Three attorneys from Linda Liu Partners attended the event, covering the fields of trademarks, patents, and legal af
	Linda Liu & Partners Showcases Expertise at Tech Expo, Bolstering IP Protection
	From May 8 th to 11 th , the27 th China Beijing International High-Tech Expo (CHITEC)grandly opened at the China National Convention Center. Among its highlights was the Intellectual Property Services Exhibition Hall, meticulously organized
	Linda Liu & Partners Ranks among Top 40 Chinese Foreign-Related Trademark Agencies
	On May 19, 2025 (PST), at the 147th INTA Annual Meeting held at the San Diego Convention Center in the United States, the China Trademark Association Forum released the Statistics on the Service Capabilities of Top 40 Chinese Foreign-Relate
	Linda Liu & Partners together with a well-known US IP firm successfully held the U.S. Intellectual Property Seminar
	Linda Liu Partners, together with a well-known US IP firm, successfully held the seminar Navigating Global Expansion: Key Strategies for IP Protection in the US Market - Market Access, Patent Portfolio Management, and Dispute Resolutionin S
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Firm Activities

	Marching with Lofty Aspirations and Grateful Heart—2018 Summing-up and 2019 Annual Party of Linda Liu & Partners
	The days glide swiftly along. In this joyful holiday season to ring in the New Year of 2019, 2018 Summing-up and 2019 Annual Party of Linda Liu Partners was held as scheduled on January 18, 2019. All members of Linda Liu Partners coming fro
	Art of Eloquence, Show for Talents---Congratulations on the success of the first debate competition of Linda Liu & Pa
	The first debate competition of Linda Liu Partners was held on August 8th, 2018. The debate took nearly a month in total 4 rounds, 11 games with participants from 9 major departments. Electrical Engineering Department and the team made up o
	2018 the 2nd Rope Skipping Competition of Linda Liu & Partners ended successfully
	Summer begins and the air is full of vitality. The green of early summer always make people feel the magic of the ever-changing nature. In this vibrant season, Linda Liu Partners officially kicked off the second rope skipping competition. R
	African Intellectual Property Organization (OAPI) visited Linda Liu & Partners
	In the morning of March 21 st , Mr. Denis L. BOHOUSSOU, the General Manager of OAPI, and Mr. Issoufou KABORE, the Director of Trade Marks and Distinctive Signs of OAPI paid a visit to Linda Liu Partners in Beijing. Mr. Maojia Li, the vice pr
	How to calculate damages in IP litigation in China
	People used to believe that China is not a country where intellectual property right can be enforced. This notion originated from the fact that the amount of compensation for infringement in China was much lower than that in the developed c
	Keeping Pace with the Era with Open and Modest Mind
	Linda LIU President Linda Liu Partners In a few days, on August 18, 2016, Linda Liu Partners will embrace its 13th anniversary. Looking back to the 13-year journey, we Linda Liu people are happy to say that we have lived every season along
	Understanding Linda Liu & Partners, Prospecting the Future
	Electrical Engineering Department Mr. Tao CHEN Chemistry Biotechnology Department Ms. Xi CHEN Chemistry Biotechnology Department Mr. Yan WANG Chemistry Biotechnology Department Ms. Jing ZUO Mechanical Engineering Department Mr. Xianhua SHEN
	Linda Liu Group Successfully Holding the 2015 Annual Meeting
	At the beginning of 2016, Linda Liu Group held the 2015 Annual Meeting in Beijing on January 10, 2016. The 2015 Annual Meeting of Linda Liu Group consisted of two parts: reviews and performances. In the part of reviews, senior staff and rep
	Report on the Annual Exhibition for IP New Port (Shanghai) Intellectual Property Services
	On June 12, 2015, Annual Exhibition for IP New Port (Shanghai) Intellectual Property Services (hereinafter referred to as the Annual Exhibition) came to a successful conclusion in Shanghai Exhibition Center. The Annual Exhibition, lasting f
	LLP, AIPEX and Jiangsu Province Successfully Co-held “Training Seminar” for 1,000 attendees
	Together with Jiangsu Intellectual Property Bureau of China and AIPEX Group of Europe (hereinafter referred to as AIPEX), we held training seminars on European IP Practice and Drafting and Mining of Chinese Invention Patent in Wuxi City, Su
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