David Wu has an in-depth study on IP laws and guiding IP cases issued by the Supreme People's Court over the years.  He has ample experience in both non-contentious and contentious IP matters. David has made great achievements in various IP litigation cases, particularly in patent infringement, patent invalidation and trade-secret infringement cases. He wins a good reputation from clients and cooperative lawyers by providing meticulous, comprehensive and professional legal services in various IP cases.

David mainly provides IP legal service for famous multinational and domestic companies. David's practice highlights are the specific practical handling and project management of cases. He is not only good at local cases but also a good player in cooperating with foreign IP lawyers when involving multinational integrative IP litigation. His IP practice industries cover chemistry, chemical engineering, auto parts, floor processing, IC chip, noble metal, textile machine, maglev track, car engine, electrical connector, etc.

David's rich experience includes as practicing patent attorney and IP litigator in three top-tier domestic law firms from 2007 to 2020, and as engineer in a famous joint car company from 1998 to 2007.

Memberships of China Lawyers Association, Shanghai Lawyers Association, China Patent Attorneys Association and Shanghai IP Committee

Member of Expert Group for Overseas IP Disputes Appointed by Shanghai IP Protection Center

Member of Expert Group for Domestic and Overseas IP Disputes Appointed by Hangzhou IP Protection Center

Arbitrator Appointed by Chengde Arbitration Committee

Patent Infringement and Invalidation Cases

. Represented a famous German sunroof company in several patent infringement cases to win favorable judgments for the client.

. Represented a Shanghai IC chip company for its several patent infringement cases in Shenzhen to win a favorable judgment with the highest statutory damage compensation at that time and all reasonable expenses etc. to be paid by defendants.

.Represented a famous Spanish floor manufacturing company in floor-related patent invalidation cases to successfully invalidate the principal claims of its competitor′s core patent and win wide acclaims from domestic floor companies and their attorneys.

.Represented a famous German noble metal company in patent invalidation cases to successfully maintain the validity of patent after administrative litigation procedure.

.Represented a famous Belgian steel cord company in several patent invalidation and infringement cases to successfully maintain validity of patents and win favorable judgments for the client.

Trade-secret Infringement Cases

.Represented a famous Taiwan chemical material company in disputes over patent inventorship & ownership, trade-secret infringement and breach of license contract.

.Represented a famous Dutch powder coating company in a trade-secret infringement case to win a temporary victory by convincing the client, judges and the counterparties′ attorneys of determining the asserted trade secret and infringement evidence according to the preserved formulations but not the preserved products.

IC Layout-design Infringement

.Represented said Shanghai IC chip company in IC layout infringement cases in Nanjing courts.

.Represented a famous US NPE company for chip teardown and other preparatory works as team leader in China to assist in its patent infringement cases in other countries.

Trademark, Copyright, Unfair Competition and Other Disputes

.Represented a famous Germany pen company in trademark infringement and unfair competition cases to reach favorable settlement for the client.

.Represented a famous domestic fund company in trademark non-use cancellation procedures.

.Represented a famous domestic mobile game company in trademark infringement and unfair competition case.

.Represented a famous domestic investment company in disputes over trademark and company name.

.Represented a famous Singapore tea company in trademark administrative procedures regarding non-use cancellation, refusal review, opposition, etc.

.Represented a famous American pesticide company in dispute over patent license contract to reach favorable settlement for the client.

.Represented a famous domestic painter in a copyright infringement case.

IP Non-contentious Matters

.Represented several domestic companies to review IP-related clauses of technology license contracts.

.Represented a famous domestic VC company to provide legal opinions for IP protection and ongoing patent infringement cases of target companies to be invested.

.Represented several MNC companies in analyses on patent infringement, validity and FTO.

.Represented several domestic companies in drafting patent applications, widely acclaimed by inventors.

.Represented several MNC companies in patent prosecution procedures related to such industries as maglev track, textile machine, noble metal, artificial teeth and electrical connectors, etc.

“Discussions on Division of Technical Features of Patent Claims”，Zhichanli, 2021-10-28；

“Special Article | Discussions on Distribution of Proof Burden in Trade-secret Civil Cases”，Zhichanli，Oct. 31, 2021；

“Discussions on Promised Compensation in IP Infringement Disputes”, Zhichanli, Apr. 27, 2022；

“Thoughts on Doctrine of Prosecution History Estoppels in Patent Infringement Litigation”, Zhichanli, Jan. 03, 2023；

“Thoughts on Doctrine of Estoppels in Patent Examination & Invalidation Procedure”, Zhichanli, Jan. 21, 2023.

David taught a course named “Patent Litigation Practices and Cases” for postgraduates majored in International Law and IP Law of East China University of Political Science and Law in the first half year of 2016, which was well appraised by teachers and postgraduates.

David presented lectures for in-house and outside counsels with regard to IP litigation practices and cases in China over the years.  Some of his opinions originated from in-depth study on guiding IP cases brought forth good resonance from the attendees, such as, the lecture on “Patent Litigation Cases” for Shaoxing lawyers in 2016, and the online lectures “Several special issues on IP infringement disputes caused by breach of contracts” and “Patent infringement litigation strategies ”in Zhishi APP and  IPRDaily etc. in 2022 and 2023.