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

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 from the incorporation of the boutique law firm of K L Tan & Associates, which was established in 1988 and continued to flourish for 35 years.
With its deep expertise in intellectual property (“IP”) law and its partnership and contribution in the success of both its domestic and international clients over decades, KLTAN LLC is a trusted strategic advisor in protecting your brands, patents, copyright, designs, geographical indications and confidential information in Singapore and overseas.

As your trusted partner, KLTAN LLC provides reliable efficiency, tireless commitment, high value and responsive services. We believe that every problem can have a tailored solution, and are dedicated to helping you expand, protect, and leverage your brands and creative innovations in today’s competitive and complex markets globally.

Our Track Record

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

Our Team

Experienced. Trusted. Client-focused.

Kee-Leng TAN

Managing Director

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

Su-Lin ANG

Director

Specialist in trade mark 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

Consultant

Specializes in IP protection and portfolio management, particularly in developing management strategies for portfolios of rights, and securing registered trade mark and design rights around the world.

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.

How can we help?

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