This page uses cookies for proper functioning of its tools. To read more about how we use cookies, please visit our Privacy policy

I accept cookies from this site


Rykowski Jusiel Kancelaria Adwokatów i Radców Prawnych

Dariusz Gibasiewicz Ph.D.


An expert in tax law and expert in medical law. In our law firm is responsible for conducting proceedings before tax authorities and administrative courts. Dariusz also specializes in cases related to pursuing claims arising from transport accidences and medical malpractice.



pl  Polish
ang  English
ru  Russian
es  Spanish


This email address is being protected from spambots. You need JavaScript enabled to view it.

T. +48 22 547 08 10




  • Represented clients in approximately 800 cases before administrative courts (voivodeship administrative courts and the Supreme Administrative Court)
  • Represented clients in many tax proceedings, tax inspections and fiscal audits
  • For almost 10 years he chaired a team providing legal services to a healthcare entity employing almost 1000 people, and provided legal services to a private Gynecology and Obstetrics Hospital
  • Represented patients and healthcare entities in several dozen lawsuits seeking damages or compensation in connection with medical errors or hospital-acquired infections, as well as infringements of patient’s rights
  • In cases seeking payment for the so-called services exceeding the contract limits he won several dozen million Polish zlotys for its clients
  • Participated in the creation of an innovative Radiotherapy Center through private-public partnership
  • Acted in more than 200 cases related to pursuing liability claims arising from road traffic damages.

Dariusz wrote many articles and expert opinions on tax related matters, including monograph entitled “The Principle of Neutrality of Value Added Tax in Judicial Decisions of the Court of Justice of the European Union”, for which he was awarded the prize “Złote Skrzydła” by Gazeta Prawna for the best book in the field of tax law written by an author under the age of 35 (2013).

Dariusz was lecturing at universities in Spain and Portugal, and conducted training seminars in the field of EU law for advocates in Romania; participant and speaker at Polish and international conferences.
Lecturer at the Department of Financial Law of the Faculty of Law and Administration of the University of Warmia and Mazury in Olsztyn.

A graduate of the Faculty of Law and Administration of Adam Mickiewicz University in Poznań (2001); in 2001 Dariusz obtained the Diploma in an Introduction to English Law and the Law of the European Union of the University of Cambridge in cooperation with Adam Mickiewicz University in Poznań; in 2003 he completed the Post-graduate Program in Law at the Faculty of Law and Administration of the Warsaw University. He received his PhD in law (specialization: public finance law) in 2011 at the Faculty of Law and Administration of Mikołaj Kopernik University in Toruń. In 2017 he graduated from Escuela de Derecho Español organized by Universidad de Castilla - La Mancha in cooperation with the Warsaw University.

A member of the International Fiscal Association (IFA), International Bar Association (IBA), European Association of Lawyers (EAL), European Law Institute (ELI), and a member of the Eastern Bars and New Technologies Commission operating within Fédération des Barreaux d’Europe; since 2010 up to now a member of the Foreign Affairs Committee of the National Council of Legal Counsels; since 2013 he has also been a member of the Scientific Board of the Olsztyn Science and Technology Park (Olsztyński Park Naukowo-Technologiczny).

He renders legal services to Polish, English, Spanish and Russian speaking clients.

Copyright Rykowski Jusiel Kancelaria Adwokatów i Radców Prawnych 2018