Ning Dong focuses on intellectual property litigation and counseling, with particular strength in complex, high-value IP disputes for technology companies.

Over the past two decades, Mr. Dong has represented clients in numerous high‑impact, technically challenging matters before China’s leading IP courts, including a series of patent infringement actions between top domestic companies, as well as patent and trade secret disputes involving multiple multinational corporations in China. Backed by a technical background in computer hardware and software, wireless communications, semiconductors, and optoelectronics, he quickly identifies winning angles in hard cases and crafts effective litigation strategies. He is especially adept at coordinating infringement actions with related patent invalidation proceedings to secure maximum advantage for clients.

Mr. Dong also has extensive non-contentious IP experience. He has advised prominent companies in the TMT and medical device sectors on tailored IP management and compliance, conducted IP due diligence, and assisted numerous technology companies with patent mining and prosecution.

Before joining Jiren, Mr. Dong practiced for more than 14 years at three leading Chinese IP firms. In 2023, he was named one of the “Top Ten Patent Lawyers of the Year”by the Strong Nation Forum.

Among the first batch of IP volunteer experts in Beijing

Listed in the Beijing Lawyers Association's talent pool for lawyers specializing in foreign affairs

(I) Patent

• Represented a world-leading internet company in a patent infringement lawsuit and patent invalidation (involving image processing technology) against an NPE, forcing the latter to settle.

• Represented a world-leading agrochemicals company in more than ten pesticide patent infringement and administrative enforcement actions in China, winning across the board. Secured a landmark pre-suit injunction from the Ningbo Intermediate People’s Court against a local infringer, and obtained a first-instance damages award of over RMB 32 million from the Chengdu Intermediate People’s Court- one of the highest patent damages awards for a foreign company in China and the first patent case to apply 5x punitive damages.

• Represented a Swiss company in a turbocharger patent infringement suit against a domestic competitor, obtaining double punitive damages at first instance.

• Represented Vicor in responding to Delta’s patent infringement lawsuits and administrative actions, successfully invalidating the asserted patent.

• Represented a domestic research institute in a patent infringement dispute and negotiations with a multinational company, leading to a global settlement.

• Represented HC Semitek in a series of patent infringement suits involving LED chips and in related patent invalidation proceedings.

• Represented a leading global internet company in defending against an NPE’s patent infringement suit and in invalidation proceedings involving image-processing technology, forcing the opponent to settle.

•   Represented a leading international semiconductor company in defending against an NPE’s patent infringement suit and in invalidation proceedings involving processor technology, leading to a settlement.

• Represented Canada’s WiLAN in asserting patent infringement against a U.S. company and in related invalidation and administrative proceedings involving memory technologies.

• Represented Honeywell in patent invalidation and administrative litigation related to QR code scanning, and in infringement actions against multiple companies.

• Represented a Swiss company in patent-related administrative enforcement against a domestic competitor involving printing equipment, obtaining a favorable decision.

(II) Trade Secrets

• Represented an leading Internet company in multiple trade secret infringement cases against former employees and obtained behavior preservation.

• Represented a leading battery company in a trade secret infringement case against a former employee.

• Represented Shenzhen uCloudlink in a trade secret infringement case, involving mobile WiFi technology.

• Represented in multiple trade secret criminal cases.

• Provided a legal opinion on trade secret infringement risk for a large domestic energy group.

• Represented a domestic testing equipment company in trade secret infringement litigation and administrative complaints.

(III) Non-Contentious

• Provided Freedom to Operate (FTO) analysis for several domestic medical equipment companies for their products to be lauched.

• Provided FTO for a domestic new energy company's lithium battery products.

• Represented an international medical device company in reaching a patent license agreement with a domestic medical device manufacturer.

• Provided anti-monopoly policy consultation for several patent pools.

• Provided patent due diligence services for several companies.

• Provided comprehensive intellectual property services, including patent mining and prosecution, for several internet and smart device companies.