SDP Sierżant Dudziński is a specialist IP boutique with significant expertise in IP litigation and enforcement, notably patent prosecution and patent invalidation cases. Dawid Sierżant and Krzysztof Dudziński jointly spearhead the team. Sierżant specialises in litigation concerning patents, designs, trade marks, copyright and unfair competition. Dudziński excels in patent prosecution and invalidation proceedings.
Testimonials
Collated independently by Legal 500 research team.
‘The SDP team acted with complete professionalism. They help us with appropriate trade mark protection and IP portfolio protection strategies.’
‘Dawid Sierżant is able to work on cases with attention to detail. Dawid is the kind of person who is very good at spotting the smallest gaps in a strategy in order to adequately protect his client, and he accurately points out all the shortcomings in the other party's strategy.’
Key clients
- Beiersdorf
- Husqvarna
Work highlights
- Representing Zentiva & Polpharma in patent revocation and patent litigation concerning the drug Xarelto (Rivaroxaban) of Bayer.
- Representing a well-known Polish luxury fashion designer Zofia Chylak in a series of copyright litigation, including against a major Polish retailer regarding the design of a woman’s bag.