Global Intellectual Property Experts · Trusted for 25+ Years

Making your vision become a reality

Yong Syu Intellectual Property Office — Your trusted partner
for patents, trademarks & copyright in 50+ countries worldwide.

Sustainable Service, Quality First

Explore Our Services Free Consultation
Professional Since
25+ Years of IP Experience
Global Reach
Serving 50+ Countries
Our Offices
Kaohsiung & Taipei
Core Practice
Patents · Trademarks · Copyright
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25+ Years of IP Expertise
50+ Countries Served
Kaohsiung & Taipei Dual Offices
Chinese & English Bilingual Service
1 Business Day Response Guarantee
Free Initial Consultation
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Years of IP Practice
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Countries & Regions Served
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Office Locations in Taiwan
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Core IP Practice Areas
Core Services

Three Core IP Practice Areas

Whether it's patent protection for your technology, trademark registration for your brand, or copyright management for your creative works — we provide comprehensive one-stop IP solutions.

Patent

Patent Services

Domestic and international patent filing including invention, utility model, design patents, PCT applications, opposition response, infringement enforcement, and licensing.

Patent Filing PCT Application Maintenance Opposition Enforcement
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Trademark

Trademark Services

Domestic and international trademark registration, clearance search, opposition, assignment, licensing, and anti-counterfeiting enforcement across global markets.

Registration Madrid Protocol Clearance Search Opposition Licensing
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Copyright

Copyright Services

Copyright registration, infringement assessment, and licensing agreement drafting to ensure your creative works receive full legal protection.

Registration Infringement Analysis Licensing Agreement Digital Works
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How We Work

Our 4-Step Service Process

From initial consultation to long-term maintenance — a transparent, efficient process you can trust.

01

Free Initial Consultation

We assess your needs and protection goals. Expert advisors provide preliminary recommendations at no charge.

02

Assessment & Strategy

Prior art search, feasibility analysis, and customized filing strategy tailored to your business needs.

03

Filing & Prosecution

Drafting and filing of application documents, tracking examination progress, and providing timely updates.

04

Long-term Maintenance

Ongoing portfolio management including renewal reminders, annuity payments, and infringement monitoring.

About Us

Your Most Trusted
Global IP Partner

Founded by principal Li Tsung-Ying (李宗穎), Yong Syu IP Office brings over 25 years of intellectual property expertise. With headquarters in Kaohsiung and a branch in Taipei, we serve clients throughout Taiwan and across the globe.

Our multidisciplinary team — comprising patent agents, trademark agents, and legal counsel — provides IP services in 50+ countries, helping clients build robust protection strategies in international markets.

  • Multidisciplinary team of patent agents, trademark agents, and attorneys
  • Cross-border filing services in 50+ countries across major IP markets
  • Kaohsiung HQ + Taipei branch for nationwide client coverage
  • Customized IP strategies with client success as the core objective
Learn More About Us
25+
Years of Excellence
Professional Team
Yong Syu IP Office Professional · Trustworthy · Global Vision
50+
Countries Served
IP Knowledge

IP Knowledge Center

Essential IP knowledge to help you make smarter decisions about protecting your innovations and brand.

Patent Filing Guide Patent Knowledge

Why Prior Art Search is Essential Before Filing a Patent

Many inventors rush to file without conducting a prior art search. Confirming your invention's novelty beforehand not only saves significant filing costs, but also helps draft claims with broader and stronger protection scope.

Read More 3 min read
Trademark First-to-File Trademark Knowledge

First-to-File Principle: Why You Must Register Your Trademark Early

Taiwan and most countries follow the "first-to-file" principle. Brand recognition alone does not grant trademark rights. If a third party registers your brand name first, you may be forced to rebrand or pay a high price to reclaim it.

Read More 4 min read
Copyright Registration Copyright Knowledge

Copyright Exists Automatically — So Why Should You Register It?

While copyright protection arises automatically upon creation, formal registration establishes official legal evidence of the creation date. In infringement disputes, a registration certificate becomes a powerful weapon to defend your rights.

Read More 3 min read
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Intellectual property is the most valuable intangible asset of modern enterprises.
Our mission is to leverage 25+ years of professional expertise
to provide the strongest legal protection for every client's innovations,
making your vision a reality in global markets.

Li Tsung-Ying · Principal, Yong Syu Intellectual Property Office
Why Choose Us

Why Choose Yong Syu

Over 25 years of proven excellence makes us your most trusted IP partner.

50+

Global Service Network

A partner network spanning 50+ countries ensures that wherever your technology or brand needs protection, we can provide localized assistance.

25+

Expert Multidisciplinary Team

Our cross-functional team of patent agents, trademark agents, and attorneys ensures every case receives comprehensive professional support.

100%

Customized IP Strategy

We never offer one-size-fits-all solutions. After understanding your business in depth, we craft an IP protection plan that maximizes your return on every investment.

Ready to Protect Your Intellectual Property?

Whether it's patents, trademarks, or copyright — free initial consultation, no obligation

Get Free Consultation +886 7 345-3388