Clients trust our patent team for strategic, technically-informed legal solutions across the full spectrum of patent services, including:

• Understanding client technologies and aligning IP protection with business goals
• Patent minining and filing stratetgy
• Patent drafting and prosecution across major jurisdictions
• SEP patent drafting in English
• Comprehensive prior art search and freedom-to-operate analysis
• Global filing and portfolio management strategies
• Patent validity and infringement assessments
• Patent re-examination and invalidation
• Patent litigation (administrative or civil) and dispute resolution
• Protection of confidential know-how and trade secrets

Representative Cases

Enforcement & Litigation

• Represented a US company agaisnt a Shanghai company in multiple IP lawsuits involving trademark, unfair competition, and patent infringement. We successfully defended two patents against invalidation challenges and secured a highly favorable settlement through court mediation, with full compensation received immediately after signing.
• Defended a state owned company in four patent ownership disputes. By demonstrating the distinctiveness of the client’s technical solutions, we achieved full victory in all cases.
• Represented a famous footwear company in a utility model infringement case against a Quanzhou company. We obtained a favorable court ruling, safeguarding the client’s patent rights.

Prosecution & Consulting

• We handle patent applications, office actions, reexaminations, third-party observations, domestic and global patent strategy consulting, and patent mining for domestic and international companies in China, etc. Our expertise spans various technical fields, including but not limited to: mechanical, electrical, telecommunications, biological, and chemical sectors.
• We provide patent consulting services for domestic and foreign companies, including: offering expert advice on the current state of patent protection within specific fields for management decision-making; assisting in the development of patent strategies and establishing efficient patent management systems; providing specialized patent training for management, legal personnel, and technical staff to enhance patent protection awareness; and offering routine patent consultations.

Patent Protection

• Monitor the market and enforce invention, utility model and design patents for domestic and foreign clients, enabling timely detection and handling of infringement.
• Represented a telecommunication company in an SEP licensing dispute involving jurisdictional challenges and an anti-suit injunction. After nearly three years, the case concluded successfully in favor of the client.
• Acted for an international famous sanitary ware company in over 50 design patent infringement lawsuits across China. All cases resulted in confirmed infringement and court-ordered remedies.
• Represented an Italian company in a successful design patent lawsuit against a domestic handicraft manufacturer, with infringement confirmed and damages awarded.
• Supported a US company in administrative actions at the Canton Fair against 7 infringers. Authorities ordered immediate removal of infringing products.
• Represented an international famous sanitary ware company in filing recordation with the General Administration of Customs to block the import/export of infringing products.
• Represented an Italian company in a patent lawsuit against a tripod manufacturer. The court ruled infringement and granted full relief.
• Successfully acted for a German engineering company in an invention patent case involving both method and product claims, with infringement confirmed by the court.
• Represented a leading pharma group in a utility model patent case against a Hebei company and a Jiangsu hospital. The client prevailed; the appeal was withdrawn.
• Assisted an automotive company in a design patent lawsuit against a motorcycle manufacturer, winning both trial and appeal.
• Represented a US company in several administrative complaints, swiftly halting infringement and securing compensation in some cases.
• Represented a US company in a design patent infringement case in Shenzhen and secured a favorable ruling.

Other Patent-related Projects

• We provide clients with in-depth legal services including due diligence, patent invalidation, patentability and infringement analysis, FTO search and analysis, patent strategy design, patent licensing and management, and legal advisory for patent issues in foreign investment.
• Conducted IP due diligence for a US company in its acquisition of a major domestic food equipment company. We assessed the quality, quantity, and revenue contribution of the target’s patents to support negotiation and decision-making.
• Represented an international famous sanitory ware company in initiating invalidation proceedings against competitors' patents used for counterclaims in ongoing litigation, effectively neutralizing the opposing party's strategy.
• Assisted a famous US toy company with full FTO analysis ahead of a planned production launch in China, helping avoid litigation risks.
• Represented a US company in filing invalidation requests against a Chinese design patent infringing its trademark.
• Provided infringement analysis for a Japanese pharmaceutical company concerning a specific Chinese patent.
• Helped hundreds of domestic and international clients manage their Chinese patent portfolios, including monitoring status and annuity payments.
• Drafted and negotiated patent licensing agreements in China on behalf of a famous US toy company.
• Provided legal advice on patent issues during foreign direct investment transactions in China.

Patent Mining and Layout

We assist clients in patent mining and strategic portfolio development, identifying potential technological innovations and converting them into valuable patent assets. By developing effective patent strategies and optimizing technology portfolios, we help clients secure a competitive advantage and strengthen their technological barriers and market control.

Services We Can Offer

• Develop overarching patent protection strategies tailored to clients’ R&D and business models;
• Assist in building internal invention disclosure and patent governance systems;
• Formulate national and global patent portfolio strategies;
• Provide competitor monitoring, patent landscape analysis, and industry intelligence reports;
• Support strategic clustering and optimization of high-value patent portfolios.

Patent Prosecution

We offer professional patent grant and authorization services, helping clients successfully obtain legal protection for invention patents, utility model patents, and design patents. Through precise patent drafting and filing strategies, we ensure that our clients' innovations receive full patent authorization and are protected globally.

Services We Can Offer

• Draft, file, and prosecute invention, utility model, and design patents;
• Prepare, review, and amend patent-related legal documentation including applications and amendments;
• Manage priority claims and international filings via PCT or the Paris Convention;
• Offer patent annuity monitoring, payment, and maintenance services;
• Conduct patent due diligence to support investment, M&A, and compliance audits.

Patent Search and Analysis

We provide comprehensive and professional patent search and analysis services, including prior art search and analysis, patent stability search and analysis, patent invalidation search and analysis, FTO (Freedom to Operate) analysis, patent infringement possibility analysis, etc., to support patent application, infringement risk assessment, technology development, technology transfer or licensing and other decision-making.

Services We Can Offer

• Conduct comprehensive patent searches, including patentability, invalidity, and FTO analysis;
• Provide ongoing monitoring of competitor patents and relevant technical areas;
• Track legal status changes, annuity histories, and expirations;
• Issue legal opinions on freedom-to-operate, non-infringement, and infringement risks;
• Offer patent valuation assessments and innovation trend analyses.

Patent Re-examination and  Invalidation

We provide patent reexamination and invalidation services to help clients challenge the validity of granted patents or reassess pending patent applications. Through in-depth legal and technical analysis, we assist clients in achieving favorable legal outcomes in reexamination and invalidation proceedings, ensuring that their technological innovations are not hindered by improper patents.

Services We Can Offer

• Handle review procedures for rejected patent applications and respond to office actions;
• Represent clients in patent invalidation proceedings, including filing and defense;
• Conduct invalidity searches, technical comparisons, and prepare legal arguments;
• Represent clients in administrative litigation relating to review or invalidation decisions;
• Defend against malicious invalidity claims to preserve patent strength.

Patent Enforcement and Litigation

We have extensive experience in patent protection and litigation. Our own investigation company provides strong support to the lawyer team in the search for infringement clues and investigation and evidence collection. Most lawyers in the patent dispute resolution team have dual qualifications as lawyers and patent attorneys. Every year, we handle a large number of cases such as investigation and evidence collection, C&D Letters, administrative complaints about patent infringement, administrative litigation for patent authorization and confirmation, civil litigation for patent infringement, and patent ownership disputes. We are particularly good at providing clients with tailor-made protection strategies and winning the best protection results for clients through a combination of methods.

Services We Can Offer

• Conduct infringement investigations, evidence collection, and notarization;
• Manage patent enforcement via customs recordal, seizure, and training of enforcement officials;
• Handle administrative enforcement actions including market supervision cases;
• Represent clients in civil and criminal patent litigation, including injunctions and damages claims;
• Facilitate dispute resolution via settlement, arbitration, or cross-border enforcement.

Representative Cases

• Represented a US company agaisnt a Shanghai company in multiple IP lawsuits involving trademark, unfair competition, and patent infringement. We successfully defended two patents against invalidation challenges and secured a highly favorable settlement through court mediation, with full compensation received immediately after signing.
• Defended a state owned company in four patent ownership disputes. By demonstrating the distinctiveness of the client’s technical solutions, we achieved full victory in all cases.
• Represented a famous footwear company in a utility model infringement case against a Quanzhou company. We obtained a favorable court ruling, safeguarding the client’s patent rights.
  

Licensing, Assignment, Commercialization

We offer patent strategy consulting services to assist businesses in developing and implementing effective patent strategies. Through in-depth analysis of global markets and competitive landscape, we help clients optimize their patent portfolios, enhance technological advantages, and increase market competitiveness to achieve long-term commercial value.

We provide patent licensing and assignment services to help clients maximize the value of their patent assets globally. Whether through exclusive licenses, non-exclusive licenses, or patent assignments, we offer tailored legal support to ensure that clients achieve the best commercial outcomes in licensing and assignment transactions.

Services We Can Offer

• Design commercialization structures including licensing, assignment, equity contribution, and pledge;
• Draft, review, and negotiate patent-related agreements such as licenses and co-development contracts;
• Assist in patent valuation and royalty model structuring;
• Advise on antitrust compliance and risk mitigation regarding patent abuse;
• Support patent-based business collaborations, technology transfer, and IP-driven financing.

Representative Cases

We provide clients with in-depth legal services including due diligence, patent invalidation, patentability and infringement analysis, FTO search and analysis, patent strategy design, patent licensing and management, and legal advisory for patent issues in foreign investment.

• Conducted IP due diligence for a US company in its acquisition of a major domestic food equipment company. We assessed the quality, quantity, and revenue contribution of the target’s patents to support negotiation and decision-making.
• Represented an international famous sanitory ware company in initiating invalidation proceedings against competitors' patents used for counterclaims in ongoing litigation, effectively neutralizing the opposing party's strategy.
• Assisted a famous US toy company with full FTO analysis ahead of a planned production launch in China, helping avoid litigation risks.
• Represented a US company in filing invalidation requests against a Chinese design patent infringing its trademark.
• Provided infringement analysis for a Japanese pharmaceutical company concerning a specific Chinese patent.
• Helped hundreds of domestic and international clients manage their Chinese patent portfolios, including monitoring status and annuity payments.
• Drafted and negotiated patent licensing agreements in China on behalf of a famous US toy company.
• Provided legal advice on patent issues during foreign direct investment transactions in China.