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Robert Lis focuses his practice on litigation and merger and acquisition transactions, with an emphasis on corporate and labor law matters. He also has experience handling public procurement and intellectual property matters.


  • Litigation
  • Intellectual property
  • Mergers and acquisitions
  • Corporate law



  • Represents a Polish bank before the Supreme Court in a matter related to the effectiveness of security of banking products.
  • Advises a leading American computer game producer on current issues related to intellectual property rights in Poland.
  • Represents before the Supreme Court a foreign investor in matters related to mortgages on real estate.
  • Advised a leading foreign film distributor on issues related to Polish copyright law.
  • Advised the Polish bank in a dispute with agents.
  • Represented a Polish company in the food industry in dispute, negotiations and settlement.
  • Represented a well-known foreign producer in the chemical industry in matters related to intellectual property rights in the European Union and advised in disputes regarding Poland, Russia, Turkey, Greece, Spain, Argentina and Italy.
  • Represented and represented a large Polish retailer in disputes related to trade marks, as well as in matters related to the termination of commercial contracts.
  • Represented a Polish bank before the Supreme Court in matters related to real estate.
  • Represented a foreign investor in arbitration conducted under the ICC rules.
  • Represented a producer from the FMCG industry in matters concerning EU Community designs.
  • Represented a well-known manufacturer of shampoos in disputes related to trade marks.
  • Represented a well-known manufacturer of women's handbags in disputes related to trademarks.
  • Represented a well-known perfume manufacturer in disputes related to trademarks.
  • Represented a well-known manufacturer of sports goods in disputes related to trade marks.
  • Represented a foreign investor in connection with a general contractor agreement regarding resumption of construction work on a luxury residential building in Warsaw.
  • Represented Harper Hygienics in the purchase of a new production line and intellectual property rights.
  • Represented Emperia Holding in the group’s defense against a hostile takeover by Eurocash and the subsequent sale of part of its distribution business to Eurocash.°
  • Represented Spartan Capital Holdings in the PLN 18.1 billion acquisition of Polkomtel. °
  • Represents ADM International and ADM Szamotuły in litigation proceedings including proceedings befor the Supreme Court.°
  • Represents PKN Orlen S.A. in litigation proceedings before the Polish judiciary regarding compensatory damages, and also with respect to the corporate issues of a key PKN Orlen subsidiary, including representation before the Supreme Court.°
  • Represented a Polish real estate investor in an arbitration case conducted according to the regulations of the Polish Chamber of Commerce regarding the purchase of shares, as well as in negotiating a settlement.
  • Represented Harper Hygienics in litigation matters before the Polish Patent Office and the Polish judiciary.°
  • Represents a private equity fund in a significant legal proceeding concerning its subsidiary.°
  • Represents an automotive company in litigation proceedings related to intellectual proceedings.°
  • Represented Kompania Piwowarska S.A., in a proceeding related to a squeeze out, including representation before the Supreme Court.°
  • Represented UniCredit in a court proceeding concerning the validity of the sale of shares in one of the largest Polish banks.°
  • Represented a group of equity funds in a proceeding against the approval of a Polish court arrangement for Netia Holdings and its two affiliated entities as well as participating in negotiating an out of court settlement.°
  • Represented PGE Polska Grupa Energetyczna S.A. in an arbitration proceeding.°
  • Represented HBO in its dispute with Canal+, as well as in negotiation of an out of court settlement.°
  • Represented Bank BPH S.A. and the bank’s Chairman in connection with infringement of personal rights.°
  • Represented a number of entities in pre-litigation stages as well as in negotiation of out of court settlements; advised a large array of clients on labor law matters (employment and termination of management contracts, mass layoffs). Also participated in numerous court disputes related to labor law, negotiated settlements and benefits packages in privatization processes.°
  • Advised Aero Vodochody, a Penta Investments group company, in the proposed acquisition of WSK "PZL-Świdnik" S.A.°
  • Represented Unibail Rodamco in corporate matters as well as in the Galeria Mokotów shareholders agreement.°
  • Represented GE Transportation (GET) in connection with the sale of locomotive fleet and services contracts.°
  • Advised Bombardier Transportation on issues related to public procurement.°
  • Advises Epic Games on corporate and IP matters.°
  • Represented Microsoft in entering into and carrying out a long term lease agreement for an office building for Microsoft in Poland.°
  • Represented various other clients in M&A and real estate transactions, including: Smithfields Foods, Inc., Morliny S.A., Bank Handlowy w Warszawie S.A., Accor S.A., TP S.A., ABB sp. z o.o., US Steel Corporation.°
  • Participated in and conducted legal due diligence of companies from various sectors, including real estate, hotel, banking, insurance, food and beverage, shipbuilding, energy and steelworks.°

°The above representations were handled by Mr. Lis prior to his joining GREENBERG TRAURIG Nowakowska-Zimoch Wysokiński sp.k.

Recognition & Leadership

  • EMEA Legal 500: Recommended in Dispute Resolution (2010, 2016-2019, 2021-2023), Intellectual Property (2010) and Corporate and M&A (2008)
  • Recognized, “European Pro Bono Award,” PILnet (2011)
  • Member, Bar Association of Warsaw
  • Design Attorney, European Union Intellectual Property Office


  • Advocate, 2001
  • Master of Law, Warsaw University, 1997
  • Diploma, The British Center of English and European Legal Studies, Warsaw University, 1995
  • Poland
  • English, Fluent
  • Polish, Native