Where Business Meets Protection.

Over 30 years of experience protecting intellectual property in Singapore and beyond.

Integrity

We act with honesty, transparency, and strict confidentiality in all matters.

Excellence

We deliver precise, efficient, and practical legal solutions.

Client-Centric Service

We prioritise long-term partnerships by aligning IP strategies with business goals.

Our Practice Areas

Covered in these areas

Trade Marks

• Clearance searches and registrability assessments
• Filing, renewals, and post-registration changes
• Opposition, revocation, and invalidation proceedings
• Advice on infringement, passing off, and enforcement
• Licensing and assignment arrangements

Patents

• Strategic advice on patentability and protection
• Patent filing, prosecution, and registration
• Renewals and maintenance of grants
• Recording of post-registration changes
• Preparation and recording of assignments and licences

Designs

• Guidance on design protection and compliance
• Filing and registration of design applications
• Renewal of design registrations
• Recording of assignments and licences
• Advice on infringement matters

Brands & IP Portfolio Management (Including Trade Secrets & Confidential Information)

• Comprehensive IP strategy and portfolio structuring
• International registration and enforcement coordination
• Monitoring and managing global IP portfolios
• Advisory on brand expansion and licensing opportunities
• Risk management for IP rights across jurisdictions
• Safeguarding confidential information & trade secrets
• Risk management for IP rights across jurisdictions

IP Audit & Legal Due Diligence

• Comprehensive review of IP assets
• Risk and compliance assessment
• Valuation of IP for business planning
• Due diligence support for M&A and investments
• Strategic recommendations for IP optimisation

Commercial & Corporate

• Company incorporation and corporate structuring
• Shareholders’ agreements and corporate governance advisory
• Mergers, acquisitions, and joint ventures
• Drafting and review of commercial contracts
• Corporate compliance, restructuring, and ongoing advisory

Employment

• Drafting and review of employment contracts and policies
• Advisory on hiring, termination, and workforce restructuring
• Employment dispute management and resolution
• Regulatory compliance and workplace investigations
• Confidentiality, restraint of trade, and non-compete clauses

Privacy & Data Protection

• Privacy and data protection compliance advisory
• Drafting and review of privacy policies and data notices
• Data governance and risk management frameworks
• Advisory on cross-border data transfers
• Data breach response and incident management

Our Commitment to Your Success

Something About Us

KLTAN LLC was formed in 2023 by incorporating the boutique law firm of K L Tan & Associates which was established in 1988.
With its deep expertise in intellectual property (“IP”) law and driven by its insatiable appetite for the success of both its domestic and international clients, KLTAN LLC is a trusted strategic advisor who is a one-stop integrator for business and legal success covering all areas of law beyond IP including corporate, commercial, regulatory, employment, disputes and compliance in Singapore and overseas.

As your trusted partner, KLTAN LLC provides unparalleled efficiency, tireless commitment, high value and responsive services at reasonable fees. We believe there is no problem that cannot be solved and are dedicated to helping you expand, protect, and leverage your brands and technologies in today’s competitive and complex worldwide markets from safeguarding innovations to navigating complex cross-border complex challenges.

Our Track Record

Our Legacy of Protection
0+
Years and Counting
0+
Industries Covered
0+
patent applications filed
0M
Value Protected

Our Team

Experienced. Trusted. Client-focused.

Kee-Leng TAN

Managing Director

Tan Kee Leng is the Managing Director of KLTan LLC, previously the founder member of K L Tan & Associates which was established in 1988 to provide services in intellectual property law.

Neil ANG

Senior Associate

An Advocate and Solicitor of the Supreme Court of Singapore, he holds an LLB from the University of Leicester and specialises in intellectual property protection and portfolio management, with experience in general litigation, corporate governance, and media & communications.

Longjin GUO

Director

A business lawyer with experience in corporate, regulatory, compliance, and intellectual property matters, he holds degrees from NUS, SMU, and NTU, and has held senior legal and compliance leadership roles across APAC, MEAR, and globally, with a strong focus on strategic, solutions-driven outcomes.

Su-Lin ANG

Director

Specialist in trademark disputes and patent filings with experience in landmark cases before IPOS. LLB (NUS), LLM (Cornell), Registered Patent Agent, and contributor to international legal publications.

Michelle LOI

Director - Regulated Non-Practitioner

Expert in global IP portfolio management, advising multinationals on trade mark protection and strategy across Asia-Pacific, Europe, and beyond. Strong industry focus in tech, entertainment, F&B, and manufacturing.

Li-Ming GOH

Counsel

Focuses on strategic IP protection and portfolio management, securing trademark and design rights globally. LLB (NUS), Advocate & Solicitor, and ISTMA Registered Trade Mark Agent.

How can we help?

Please complete the form below and we will respond within 1–2 business days.