Services We Can Offer

• Assisting clients in setting up comprehensive strategies for patent protection, participating in setting up management system for patents and technological innovations, drafting standard of operation for patents and technological innovations
• Providing scientific, technological and patent intelligence information, including competitors’ patent portfolio investigation and competitors’ patent landscape analysis.
• Helping enterprises organize and formulate standards for worldwide patent portfolio’s verification and maintenance, including patent planning and landscaping, patent application and annuity payment services worldwide
• Schematic designing and negotiation for patent licensing, transfer and other patent commercialization
• Drafting, reviewing, and amending legal documents for patent assignment and licensing
• Patent searches, patent and legal status monitoring
• Drafting and filing patent applications for inventions, utility models, and designs
• Filing and defending for patent re-examination and invalidation
• Filing administrative litigation for patent related matters
• Providing Customs recordal and Customs training services
• Investigations and evidence collection for patent infringement
• Participating in administrative actions and arbitration for patent disputes
• Filing and defending administrative actions for patent infringement
• Filing and defending patent infringement litigations, including civil and criminal cases
• Patent annual fee payment and docketing services
• Due diligence for patents
• Providing patent valuation services
• Providing legal services for patent related antitrust and misuse
• Rendering patent related opinions, including Freedom-to-operate opinions, non-infringement opinion

Representative Cases

1. Represented Midea to file an Invalidation against Invention of a Two-stage Dust and Gas Separation Structure
2. Dart Industries, Inc. Patent Protection Cases
3. Premark FEG LLC vs. Shanghai Veetsan Commercial Machine Co., Ltd (Comprehensive Infringement)
4. Zhongyuan Applied Tech Research & Development Co., Ltd v.s. PetroChina
5. Signode Industrial Group LLC. v.s. Qingdao Yateli & Hefei Hanjie
6. China Academy of Railway Sciences Group Co., Ltd. Patent Protection Cases
7. SKECHERS Patent Protection Cases
8. LONGi v.s. Shijiazhuang Jinken Regarding Utility Model Patent
9. Newell Patent Protection Project
10. Oregon Tool Series Administrative Complaint Cases
11. HTC v. Shenzhen company design patent infringement case

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 Prima FEG LLC in a series of lawsuits against Shanghai Weishun Commercial Machinery Co., Ltd. and others involving trademark infringement, unfair competition, invention patent infringement, and design patent infringement.During the litigation, the defendants filed invalidation requests against two of the client’s patents. We successfully defended the validity of both patents, resulting in their maintenance. During the proceedings, the defendants proposed settlement. We represented the client in multiple rounds of negotiations and secured a settlement that was highly favorable to the client. The case was concluded through a court-mediated agreement, and the client received full compensation on the day following the signing of the mediation order.
• Represented PetroChina as the defendant in four patent ownership disputes filed by Zhengzhou Zhongyuan.We successfully persuaded the collegial panel and the technical investigator that the defendant’s technical solutions were fundamentally different from those of the plaintiff. As a result, PetroChina prevailed in all four cases.
• Represented Skechers (Quanzhou) Enterprise Management Co., Ltd. in a civil litigation against Quanzhou Hongtuo Footwear Co., Ltd. and others for infringement of utility model patent rights.We obtained a favorable judgment on behalf of the client.

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

Our firm provides professional, comprehensive, and in-depth legal advice and services in the following areas: IP due diligence, patent invalidation, patent validity and infringement analysis, freedom-to-operate (FTO) searches and assessments, invalidity searches, patent protection strategy development, patent portfolio management, patent licensing, and legal opinions on patent-related issues in foreign direct investment (FDI) projects.

1. In the acquisition of a major domestic food equipment manufacturer by Illinois Tool Works (ITW), our firm conducted the intellectual property due diligence. Our patent attorneys and patent agents performed a comprehensive analysis and evaluation of the target’s patent portfolio, including the number and quality of patents and their contribution to the company’s revenue. We provided a detailed patent asset assessment to support the buyer’s decision-making during negotiations.
2. In a design patent infringement litigation initiated by Kohler Co. in the United States against a competitor, we filed patent invalidation petitions against the competitor’s patents that could be used for countersuit. The patents were ultimately declared invalid, significantly advancing the progress of the infringement litigation.
3. We assisted Kids II, Inc. (USA) with a comprehensive and detailed FTO search and infringement risk analysis for its upcoming manufacturing project in China, enabling the company to avoid potential patent litigation risks.
4. On behalf of our client Dow Corning Corporation, we filed an invalidation petition against a Chinese design patent that infringed upon Dow Corning’s trademark rights.
5. We advised a Japanese pharmaceutical company by providing a professional infringement analysis of a Chinese patent of concern.
6. We assist hundreds of domestic and international clients in managing their patents in China, including monitoring legal status, handling annuity payments, and maintaining portfolio health.
7. We supported Kids II, Inc. in drafting and revising its patent license agreement for a China-based licensing project and represented the client in negotiating the agreement with the counterparty.
8. We also provided legal opinions on patent-related matters during the direct investment process of a foreign investor entering the Chinese market.