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Portrait of Maciej Olejnik

Maciej Olejnik

Senior Associate
Attorney at Law / Patent Attorney

CMS Cameron McKenna Nabarro Olswang Pośniak i Bejm sp.k.
Warsaw Financial Centre
ul. Emilii Plater 53
00-113 Warsaw
Languages Polish, English

Maciej Olejnik is a Senior Associate in the CMS IP/TMC Group. He is an attorney-at-law and a patent attorney.

He has advised and represented clients on all aspects of Intellectual Property Law for over 10 years. His experience includes drafting and negotiating agreements for licencing and transferring intellectual property rights (including patents, trademarks and know how), participating in proceedings before the Polish Patent Office, managing a portfolio of industrial property rights and providing advisory services related to brand protection strategies. One of Maciej’s main areas of interest is the media industry, where he provides advisory services on agreements related to content distribution (including audio-visual content). Maciej has also advised entities from the retail, business consultancy, manufacturing and defence industries.

Maciej’s experience includes disputes concerning the protection of intellectual property rights. He has represented clients in proceedings before the Polish Patent Office (e.g. in cases for extinguishing and invalidating protective rights to trademarks), as well as before state courts in cases concerning infringement of industrial property rights and combating acts of unfair competition (e.g. against entities that market look-alike goods, entities that apply misleading markings and unfair advertising).

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Relevant experience

  • One of the leading cosmetics companies in the dispute against the manufacturer of look-alike products, also involving infringement of the client's reputable trademarks.
  • A leading manufacturer of construction materials in a dispute concerning misleading labelling of materials sold by the client’s competitor.
  • A client in a trademark dispute concerning the sale of tobacco products.
  • A chemical products manufacturer in a dispute involving the unauthorised exploitation and registration of the client’s trademarks with the Polish Patent Office.
  • One of the leading players on the chemical market, an entity operating in the insurance sector, and a fitness services provider on managing their trademark portfolio.
  • A leading American media entrepreneur on legal protection of a television format.
  • A provider of VOD services on the obligations of suppliers towards collecting societies.
  • • Advice during M&A projects on the assignment and protection of intellectual property rights (e.g. in FMCG, life sciences, financial services, and TMT sectors), including preparation and negotiation of the transaction documents, conducting due diligence investigations and preparation of audit reports.
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Memberships & Roles

  • Polish Chamber of Patent Attorneys
  • Warsaw Bar Association of Attorneys-at-Law
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  • 2010 - Postgraduate Intellectual Property Studies, University of Warsaw, Warsaw
  • 2008 - Faculty of Law and Administration, M.A., Jagiellonian University in Kraków, Kraków
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