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One-stop service for intellectual property, law and technology

IP Services by Category
SL Intellectual Property provides one-stop intellectual property services covering patents, trademarks, copyrights, government project applications and legal rights protection. With Organization Code 44385, the firm was established with the approval of the China National Intellectual Property Administration (CNIPA) and has been operating continuously for over 15 years.
Patent Services: covering domestic and overseas patent applications, office action responses, patent mining and portfolio layout, reexamination and invalidation, annuity monitoring, and infringement litigation and enforcement, with a domestic grant rate of nearly 90% and an overseas grant rate of over 95%.
Trademark Services: covering domestic and overseas trademark registration, opposition and review, renewal and recordal of change, licensing and assignment, and infringement litigation.
Copyright Services: covering domestic and overseas copyright registration, licensing and pledge, and infringement litigation, efficiently securing rights evidence at low cost.
Government Project Application Services: covering High-Tech Enterprise (HNTE) certification, cultivation of “Specialized, Refined, Distinctive and Innovative” (SRDI) enterprises, implementation of IP management standards, and standards development, among others.
Legal Services: integrating infringement litigation, administrative enforcement, customs recordal, FTO search and analysis, and due diligence across patents, trademarks and copyrights, forming a complete closed loop from rights confirmation to rights enforcement.
The five service segments work in synergy to provide enterprises with full-chain professional support from IP creation and exploitation to protection and management.

Patents — Domestic Patent Services
✓ Domestic Patent Applications
· Full-process representation for invention, utility model and design patent applications, covering all technical fields.
✓ Responses to Patent Office Actions
· Professional responses to office actions issued by IP offices worldwide, improving grant prospects through technical understanding and legal reasoning.
✓ Patent Mining and Portfolio Layout
· Centering on commercial value, systematically extracting technical achievements to build structured, high-value patent portfolios.
✓ Patent Reexamination and Invalidation
· Representation in patent reexamination and invalidation proceedings, safeguarding clients’ lawful rights and interests.
✓ Patent Infringement Litigation and Rights Enforcement
· Representation in patent infringement litigation, administrative enforcement, licensing and assignment, covering the full chain of litigation, enforcement and commercial operations.
✓ Patent Annuity Tracking and Protection Strategy Consultation
· Full-process monitoring of patent annuity payment deadlines, providing maintain-or-abandon strategy advice based on commercial value.

Patents — Overseas Patent Services
✓ PCT International Patent Applications
· International patent applications filed through the PCT route, covering more than 70 contracting states worldwide and securing time for overseas entry decisions.
✓ US Patent Applications
· Full-process USPTO patent application services, covering continuation, divisional, provisional and other application types.
✓ European Patent Applications
· EPO patent application services; by designating a European patent and entering the national phase in European countries, a single application achieves multi-country protection.
✓ Japanese Patent Applications
· Patent application services before the Japan Patent Office (JPO), helping enterprises secure patent protection in the Japanese market.
✓ Korean Patent Applications
· Patent application services before the Korean Intellectual Property Office (KIPO), helping enterprises secure patent protection in the Korean market.
✓ Indian Patent Applications
· Indian patent application services, helping enterprises enter South Asia’s most promising emerging market.
✓ Patent Applications in Southeast Asian Countries
· Patent application services covering Vietnam, Thailand, Indonesia, Malaysia, Singapore and other Southeast Asian countries.
✓ Brazilian Patent Applications
· Brazilian patent application services, helping enterprises obtain patent protection in Latin America’s largest economy.
✓ Australian Patent Applications
· Australian patent application services, helping enterprises secure patent protection in an important Southern Hemisphere market.
✓ Russian / Eurasian Patent Organization (EAPO) Patent Applications
· Patent application services in Russia and through the Eurasian Patent Organization (EAPO), covering the Eurasian Economic Union market.
✓ South African / African Regional Patent Applications
· Patent application services for South Africa and African regions (including ARIPO and OAPI), covering African markets.
✓ Responses to Office Actions in Multiple Countries / Internationally
· Professional responses to office actions from the US, Europe, Japan, South Korea and other countries.

Trademarks — Domestic Trademark Services
✓ Domestic Trademark Registration
· Full-process representation for trademark registration in China, with an overall approval rate of over 85%, providing one-stop service from search and assessment to official follow-up.
✓ Domestic Trademark Opposition and Review
· Representation in trademark opposition filings, responses and review requests, helping enterprises protect their rights in trademark ownership disputes.
✓ Domestic Trademark Renewal, Recordal of Change and Cancellation
· Full life-cycle trademark management services covering renewal, recordal of change, cancellation and other procedures, ensuring trademark rights remain valid at all times.
✓ Domestic Trademark Licensing and Assignment
· Handling trademark licensing contract recordal and assignment formalities, helping enterprises realize the commercial value of their trademark assets.
✓ Domestic Trademark Infringement Litigation and Administrative Enforcement
· Representation in trademark infringement litigation, administrative enforcement and customs recordal, providing preventive and post-infringement rights protection services.
✓ Domestic Trademark Search and Strategy
· Trademark search analysis and portfolio strategy consultation, reducing risks and improving success rates from the very start of the application.

Trademarks — Overseas Trademark Services
✓ Madrid International Trademarks
· International trademark registration filed through the Madrid System, achieving the efficient “one application, multi-country protection” model.
✓ US Trademark Registration
· Full-process USPTO trademark registration services, well-versed in the US “first-to-use” principle and meeting specimen-of-use requirements.
✓ EU Trademark Registration
· EUIPO European Union trademark applications — one application covers all 27 EU member states — together with registration services for individual European countries.
✓ Japanese / Korean Trademark Registration
· Trademark registration services in Japan and South Korea, helping enterprises secure trademark protection in key Asia-Pacific markets.
✓ International Trademark Opposition and Invalidation
· Representation in international trademark oppositions and invalidation requests and responses, helping enterprises protect their brand rights in cross-border trademark disputes.
✓ International Trademark Search and Portfolio Strategy
· Global trademark search analysis and cross-border portfolio strategy consultation, building a global brand protection system.
✓ Global Overseas Trademark Registration
· Single-country or single-region trademark applications filed through overseas channels, covering target markets such as non-Madrid member states.
✓ International Trademark Renewal, Recordal of Change and Cancellation
· Full life-cycle international trademark management services covering renewal, recordal of change, cancellation and other procedures, ensuring trademark rights remain valid at all times.
✓ International Trademark Licensing and Assignment
· Representation in cross-border IP licensing contract negotiations and recordal and international trademark assignment formalities, enabling globalized IP operations.

Copyrights — Domestic Copyright Services
✓ Copyright Registration
· Registration of software copyrights and copyrights in all types of works, efficiently securing rights evidence at low cost.
✓ Copyright Licensing and Pledge
· Handling copyright licensing contract recordal and pledge formalities, helping enterprises commercially operate their copyright assets.
✓ Copyright Infringement Litigation and Administrative Enforcement
· Representation in copyright infringement litigation and administrative enforcement, providing legal remedies and administrative enforcement support.

Copyrights — Overseas Copyright Services
✓ Overseas Copyright Registration
· Copyright registration in major jurisdictions including the US, the EU, Japan and South Korea, providing a rights foundation for cross-border enforcement.
✓ Overseas Copyright Licensing and Assignment
· Representation in cross-border copyright licensing contract negotiations and recordal and international copyright assignment formalities, enabling globalized operation of copyright assets.
✓ Overseas Copyright Infringement Litigation and Rights Enforcement
· Coordinating overseas partner law firm resources to handle copyright infringement litigation, administrative enforcement, customs seizures and other enforcement actions abroad.

Government Project Applications
✓ High-Tech Enterprise (HNTE) Certification
· Representation in National High-Tech Enterprise certification applications, helping enterprises obtain tax incentives and enhanced qualifications.
✓ Cultivation of “Specialized, Refined, Distinctive and Innovative” (SRDI) Enterprises
· Full-tier cultivation and application guidance spanning innovative SMEs, SRDI SMEs and “Little Giant” enterprises.
✓ Manufacturing Single Champion Enterprise Applications
· Representation in national or municipal Manufacturing Single Champion enterprise applications, with rewards of up to RMB 2 million.
✓ Guidance on Implementing IP Management Standards
· Guiding enterprises in establishing intellectual property management systems (GB/T 29490 / ISO 56005) and obtaining policy funding through certification.
✓ Applications for Key Link Upgrading Projects in Industrial Chains
· Representation in Shenzhen’s industrial chain key-link upgrading project applications, supporting the engineering and industrialization of technological innovations.
✓ Other Government Project Applications
· Application services for a variety of science and technology programs, including enterprise technology centers, technology innovation demonstration enterprises, and first (set) major technical equipment.
✓ Standards Development
· Full-process services for national, industry, local and association standards, from project initiation and drafting to approval submission, with access to special funds designated for standards development.

Legal Services
✓ Patent Infringement Litigation and Rights Enforcement
Representation in patent infringement litigation, administrative enforcement, licensing and assignment, covering the full chain of litigation, enforcement and commercial operations, with team members including a member of the IP Technical Advisory Committee of the Shenzhen Intermediate People’s Court.
✓ Trademark Infringement Litigation and Administrative Enforcement
Representation in trademark infringement litigation, administrative enforcement and customs recordal, providing preventive and post-infringement protection services; the firm has successfully enforced against dozens of infringing merchants and recovered millions of yuan in compensation.
✓ Copyright Infringement Litigation and Administrative Enforcement
Representation in copyright infringement litigation and administrative enforcement, with evidence-fixing capabilities including notarized purchases and timestamp preservation, providing both judicial and administrative channels for rights enforcement.
✓ International IP Litigation and Rights Enforcement
Coordinating overseas partner law firm resources to handle IP infringement litigation, administrative enforcement, customs seizures and other enforcement actions abroad, covering judicial, administrative and customs channels.
✓ FTO Search and Analysis
Providing freedom-to-operate (FTO) search and analysis, technical investigation and industry research to identify infringement risks early and develop avoidance strategies.
✓ IP Licensing and Assignment
Handling licensing contract recordal and assignment formalities for patents, trademarks and copyrights, realizing the commercial value of IP assets.
✓ IP Due Diligence
IP risk screening and value assessment for financing, M&A and other scenarios, covering technology branch analysis, competitor analysis, infringement comparison and invalidity assessment.
✓ Infringement Risk Warning and Design-Around
Infringement risk screening for products on the market, with design-around solutions to reduce infringement risk at the source.
Why choose us?
We combine the latest science and technology with the most forward-looking design vision to provide customers with a full range of integrated marketing services and build a new height for the brand image.
Experience
Our Backbone Agents Have
Intellectual property work background in large enterprises,
Experienced in domestic law firms and foreign firms,
Good at assisting in solving and processing
Various difficult and complex intellectual property matters.
excavation excavation
We have carried out for many large enterprises
Practical experience in patent mining,
Combined with different enterprise conditions, quickly set up a special team,
Dig deep inside the enterprise to achieve rapid output.
foreign affairs
After more than ten years of hard work,
Accumulated a wealth of foreign-related resources,
While enterprises are constantly pursuing cost savings,
We will provide more simple, professional and high-quality services.
Achieving the goal: a little touch,
International synchronization and uniform quality.
Serve
We value every customer,
In accordance with the professional, dedicated and dedicated corporate culture,
Towards the highest rated work attitude,
Provide many-to-one efficient service.
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