Tomasz Jan Siemiński

Advocate
·
Partner

Contact

Areas of practice

Member of the Warsaw Bar of Advocates. Graduate of the Faculty of Law and Administration at Marie Curie-Skłodowska University in Lublin. He specialises in pharmaceutical law. He has many years of experience in advising entities operating in the broadly defined Life Sciences sector (medicinal products, dietary supplements, medical devices, cosmetics). Tomasz supports clients in the implementation of new distribution models and evaluates planned promotional and advertising activities. He advises, among others, on the distribution, reimbursement and registration of medicinal products, as well as on product liability issues.

Tomasz provides legal assistance in matters related to antitrust, unfair competition, consumer law and e-commerce. He assists start-ups operating in the healthcare sector, i.a. with the implementation of telemedicine projects. He supports doctors and pharmacists in professional matters.

Advises clients in crisis situations involving product defects and unannounced inspections. He represents clients before courts, supervisory authorities and the President of the Office of Competition and Consumer Protection (UOKiK). Prior to founding the firm, he was a partner in a renowned law firm specialising in providing services to entities operating in the Life Sciences sector and in the field of intellectual property law.

master’s degree in law, Maria Curie-Skłodowska University in Lublin (2009)
advocate, admitted to the Warsaw Bar of Advocates (2013) – entry no.: WAW/Adw/4698

Partner at the law firm Jabłoński, Kozminski & Partners, since 2023
Advocate, Partner at the law firm Siemiński Gutowski Kancelaria Adwokacka, since 2018
Advocate, Partner in the Czyżewscy law firm (2016-2018)
Advocate, Czyżewscy law firm (2013-2016)
Associate, DFL Legal Duda Flak Luty Adwokaci i Radca Prawny sp. p. (2011-2013)
Legal assistant, Supreme Chamber of Nurses and Midwives (2009-2011)

Meet our team

Michał Jabłoński, PhD

Advocate
·
Managing partner

dr hab. Krzysztof Koźmiński

Attorney-at-law
·
Managing partner

Magdalena Tyka-Jabłońska

Attorney-at-law
·
Partner

Paweł Gutowski

Advocate
·
Partner

dr hab. Jan Rudnicki

Of Counsel

dr hab. Artur Olechno, prof. UwB

Of Counsel

dr Miłosz Kłosowiak

Of Counsel

Jan Czarnocki LL.M., M.A.

Of Counsel

Wojciech Kiełbasiński

Attorney-at-law
·
Of Counsel

Katarzyna Kuszko

Advocate
·
Counsel

Andrzej Kraczkowski

Advocate
·
Counsel

Patrycja Rejnowicz-Janowska

Advocate
·
Senior Associate

Wojciech Koźmiński

Attorney-at-law
·
Senior Associate

Seweryn Sasin

Advocate trainee
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Associate

Karolina Ptak

Business Development & Marketing Manager

Anna Zając

Office Manager

Joanna Fedorczyk

Advocate trainee
·
Associate

Magdalena Tomaszewska

Main assistant

Anna Chmielewska

Office assistant

Kinga Chołaj

Office assistant

Bartłomiej Maś

Paralegal

Łukasz Wydra, PhD

Advocate
·
Partner

Jabłoński Koźmiński i Wspólnicy
Adwokaci i Radcowie Prawni
Spółka Komandytowo-Akcyjna ul. Londyńska 4 lok. 4
03-921 Warszawa NIP: 7011003997
REGON: 387536717
KRS: 0000964122 +48 22 416 60 04 office@jklaw.pl

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