Warsaw · Intellectual Property Law

Specialists in complex
IP disputes

We focus on cases where IP rights are enforced, defended or challenged – including patent, trademark, design and copyright litigation, revocation and opposition proceedings, and unfair competition matters.

6+
Years in practice
4
International rankings
10+
Attorneys & patent attorneys
100%
Dedicated to IP

Ranked by the world's leading legal directories

Chambers
Intellectual Property · Poland
2024 – 2026

Recognised for commitment, extensive knowledge and excellent work organisation across IP litigation and prosecution.

Legal 500
Intellectual Property · Poland
2024 – 2026

Noted for significant expertise in IP litigation and enforcement, notably patent prosecution and patent invalidation cases.

WTR 1000
Prosecution & Strategy · Poland
2023 – 2026

Praised by clients for providing a comprehensive A-Z trademark service with guidance described as precise and clear.

IP Stars
Patent Prosecution · Poland
2024 – 2026

Ranked in the Patent Prosecution tier for Poland by Managing IP Stars.

See all rankings and awards →

Our practice areas

01
Patent Litigation

We represent clients in complex patent disputes, including infringement actions, preliminary injunctions, revocation actions and cross-border matters. Our team combines legal strategy with strong technical expertise.

02
Pharma & Life Sciences IP

We advise clients across the pharmaceutical, chemical and medical devices sectors on the full range of IP, regulatory and commercial matters. Our work includes patent strategy, market entry, licensing and technology transfer, commercial agreements, regulatory issues and IP-driven transactions.

03
Trademark, Design & Copyright

We advise on the protection, enforcement and defence of trademarks, designs and copyright, including filings, infringement litigation, oppositions, invalidity and cancellation proceedings before Polish courts, the Polish Patent Office and EUIPO.

04
Patent Prosecution

Our patent attorneys handle patent drafting and prosecution, EP validations, SPC matters and proceedings before the Polish Patent Office, the European Patent Office and WIPO, while coordinating patent protection across key jurisdictions worldwide.

Explore our services →

What our clients say

"

Both Dawid and Krzysztof are a delight to work with. They prioritise our business objectives and know exactly what assistance we need in order to achieve them.

WTR 1000 · 2023
Bronze Firm · Prosecution & Strategy
"

The SDP team acted with complete professionalism. They help us with appropriate trade mark protection and IP portfolio protection strategies.

Legal 500 · EMEA 2025
Intellectual Property · Tier 4
"

Known for its creative, comprehensive solutions, it successfully completes even the most difficult briefs for both domestic and international clients.

WTR 1000 · 2025
Prosecution & Strategy · Bronze
"

SDP's strongest point is its individual approach to the client and the transparency of its recommendations.

Legal 500 · EMEA 2024
Intellectual Property · Tier 4
"

The lawyers have great communication skills; they are always on point and limit themselves to the relevant facts, even in complex matters.

Chambers Europe Guide · 2025
Intellectual Property · Band 4
"

SDP Sierżant Dudziński is very fast and responsive, providing clear, concise and structured advice.

Chambers Europe Guide · 2026
Intellectual Property · Band 4

We would be glad to hear from you

Address
ul. Łowicka 19 lok. U3
02-574 Warszawa
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