Design | Chang Tsi & Partners

Design

Chang Tsi & Partners assists clients with design matters across Asia, including filing, prosecution, maintenance and enforcement in Asian jurisdictions. Our qualified IP professionals work closely with local associates and IP authorities throughout the region, drawing on extensive practical experience and in-depth knowledge of Asian design protection systems.

Frequently Asked Questions

	Methods of Treatments	Extension of Patent Term Available	Substantive Examination	Computer Programs Patentable	Surcharges Payable	Languages
China	Not Allowed	No	Yes	No	Yes	English
Hong Kong	Pharmaceutical products not patentable	No	Yes	No	Yes	French & Arabic
Taiwan	Yes	Yes	No	No	3 Years	Yes
Macao	Yes	Yes	No	No	3 Years	Yes
Vietnam	Yes	Yes	No	No	3 Years	Yes
Singapore	Yes	Yes	No	No	3 Years	Yes
Japan	Yes	Yes	No	No	3 Years	Yes
Philippines	Yes	Yes	No	No	3 Years	Yes
South Korea	Yes	Yes	No	No	3 Years	Yes
Thailand	Yes	Yes	No	No	3 Years	Yes
United Arab Emirates	Yes	Yes	No	No	3 Years	Yes
India	Yes	Yes	No	No	3 Years	Yes
Pakistan	Yes	Yes	No	No	3 Years	Yes
Sri Lanka	Yes	Yes	No	No	3 Years	Yes
Kazakhstan	Yes	Yes	No	No	3 Years	Yes
Uzbekistan	Yes	Yes	No	No	3 Years	Yes
Iraq	Yes	Yes	No	No	3 Years	Yes
Iran	Yes	Yes	No	No	3 Years	Yes
North Korea	Yes	Yes	No	No	3 Years	Yes
Nepal	Yes	Yes	No	No	3 Years	Yes
Myanmar	Yes	Yes	No	No	3 Years	Yes
Mongolia	Yes	Yes	No	No	3 Years	Yes
Armenia	Yes	Yes	No	No	3 Years	Yes
Georgia	Yes	Yes	No	No	3 Years	Yes
Tajikistan	Yes	Yes	No	No	3 Years	Yes
Kyrgyzstan	Yes	Yes	No	No	3 Years	Yes
Republic of Maldives	Yes	Yes	No	No	3 Years	Yes
Azerbaijan	Yes	Yes	No	No	3 Years	Yes
Palestine	Yes	Yes	No	No	3 Years	Yes
Laos	Yes	Yes	No	No	3 Years	Yes
Brunei	Yes	Yes	No	No	3 Years	Yes
Cambodia	Yes	Yes	No	No	3 Years	Yes
Turkmenistan	Yes	Yes	No	No	3 Years	Yes
Yemen	Yes	Yes	No	No	3 Years	Yes
Jordan	Yes	Yes	No	No	3 Years	Yes
Saudi Arabia	Yes	Yes	No	No	3 Years	Yes
Qatar	Yes	Yes	No	No	3 Years	Yes
Kuwait	Yes	Yes	No	No	3 Years	Yes
Bahrain	Yes	Yes	No	No	3 Years	Yes
Syria	Yes	Yes	No	No	3 Years	Yes
Lebanon	Yes	Yes	No	No	3 Years	Yes
Israel	Yes	Yes	No	No	3 Years	Yes
Oman	Yes	Yes	No	No	3 Years	Yes
Afghanistan	Yes	Yes	No	No	3 Years	Yes
Malaysia	Yes	Yes	No	No	3 Years	Yes
Bangladesh	Yes	Yes	No	No	3 Years	Yes
Timor-Leste	Yes	Yes	No	No	3 Years	Yes
Cyprus	Yes	Yes	No	No	3 Years	Yes
Palestine	Yes	Yes	No	No	3 Years	Yes

Why Us

Our design practice comprises more than 20 professionals, including partners, patent consultants, patent agents, attorneys and technical illustrators, with an average of more than ten years of professional experience. We provide end-to-end design protection services, from design identification, filing strategy and drawing preparation to searches, analysis, invalidation, administrative and civil litigation, enforcement, licensing and commercialization. We also provide training, annuity management, market monitoring and investigation services.

Filing Strategy & Design Preparation: We assist clients with identifying protectable designs and developing filing strategies, together with professional drawing and representation services. Taking into account differences in examination standards, view requirements and protectable subject matter across Asian jurisdictions, we develop tailored filing strategies to help clients secure design rights efficiently.

Searches, Analysis & Risk Monitoring: We assist clients with design infringement litigation, invalidation proceedings, customs seizures and online enforcement across Greater China and Asia. Our team combines technical comparison, evidence development and legal analysis to address complex design disputes and enforcement matters.

Enforcement, Licensing & Commercialization: We pursue a range of enforcement measures, including administrative actions, customs recordal, exhibition and e-commerce complaints, and civil and criminal litigation. We also assist with negotiation, settlement and licensing to help clients maximize the commercial value of their design rights.

Training & Annuity Management: We provide design-related IP training to strengthen clients’ internal IP management and risk controls, together with annuity monitoring and payment services to help maintain registered rights across jurisdictions.