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We are a cross-border technology and business law firm. We focus on start-ups, venture capital, technology and capital market law.

We work intimately with clients, advising them on their services and products and helping them to develop their businesses. We think like a law firm and execute like a business. We have a special understanding of the needs of business owners, founders, principals and investors.

Our firm has ten years of experience working with investors and growth companies. We have worked with top tech start-ups, accelerators, leading venture capital firms and investment funds, we have also considerable expertise in SaaS and mobile.

We are a global law firm with a local focus. Our main offices are in New York City and Warsaw, while our affiliate offices are in Silicon Valley.

Make it happen. Email us regarding your needs.



We have guided founders and entrepreneurs on numerous legal issues they have faced while developing their businesses, including corporate formation and structuring founder's stock, every stage of financing, employee stock options, corporate governance and technology commercialization. Our lawyers are active in a variety of roles, ranging from regular legal representation and serving as in-house counsels, to acting as advisers with accelerators and as intermediaries between founders and investors.

Venture Capital

We represent a wide variety of investors, including venture capital funds, family offices and high-net-worth individuals. Our involvement spans the entire investment process, including term sheet negotiation, due diligence, seed rounds, convertible notes, Series A rounds and exits. Our area of particular expertise comprises transactions involving cross-border and multi-jurisdictional venture capital, including the reestablishment of high-growth companies in the US, fundraising with US investors and representing US non-residents investing in venture capital and private equity funds.


We routinely assist entrepreneurs in various technology transactions, including technology asset purchase and sale agreements, mergers and acquisitions, inbound software and technology license agreements, strategic alliances, corporate partnerships, joint ventures, cooperative development arrangements, outsourcing agreements, online and offline distribution agreements, university licensees and research & development agreements. The firm has worked with many industries, including clean tech, gaming and digital media, hardware and software, internet and consumer goods & retail.

Intellectual Property

We assist startups, entrepreneurs and investors in patent, trademark, internet law and copyright matters. We leverage our knowledge of the IP law to accelerate growth of tech companies as well as to increase the value of IP investments for investors. The firm has extensive experience in IP prosecution, enforcement, clearance, maintenance, counseling, litigation, global strategy, enforcement on the Internet, licensing issues, domain name issues, customs recordation, advertising issues and fair use.


Tytus Cytowski

Italo Valerio

Stanislaw Komorowski

Glen W. Roberts II

Grzegorz Ziomkowski

Ben Natter

Kathrene Gawel

Arkadiusz Klejnowski

Tytus Cytowski is an attorney, entrepreneur and founder of Cytowski & Partners. Tytus is a widely respected legal expert in matters related to venture capital and corporate transactions in the transatlantic space, including flip transactions, venture financing, acquihire and M&A. Tytus began his career as an associate in a mega US-law firm in New York (USA) and then worked in a micro VC fund/family office on the east coast. He started his own law firm in 2009, focusing on the representation of the interests of investors and entrepreneurs of emerging companies. In 2013 he expanded his law firm to Poland and frequently travels to Silicon Valley to close deals for his clients. 

Tytus has deep expertise in startups and venture capital sector, with an emphasis on working with cross-border founders and entrepreneurs establishing their ventures in the USA and American investors investing non-US based companies. His clients have included Ideo, Platzi, Estimote,, Brainly, Tylko, Woolet, Swimmo, Clime, Infermedica, Husarion, Indie Designers, Presspad, Polidea, Quantum Labs, Filmaster, Rentberry, Taptera, Gjirafa, Sunstone Capital, Rockaway Capital, Innovation Nest, PLL LOT, Gemius, Techland, Sonel and Igoria Trade. Tytus is also involved in the Foreign Account Tax Compliance Act (FATCA) implementation process in Poland as US law expert in the Polish Bank Association (ZBP) FATCA working group. Tytus also acts as an advisor to government entities and development agencies interested in innovation, entrepreneurship, high growth technologies and digital culture.

Tytus Cytowski has law degree from Harvard Law School (LLM 05) and is member of the New York State bar. 

Italo Valerio is counsel to the firm’s litigation and corporate department. Italo graduated from New York Law School with an LLM and a JD from Pontificia Universidad Catolica del Peru.

Italo Valerio is counsel to the firm’s litigation and corporate department. He graduated from New York Law School with an LLM and a JD from Pontificia Universidad Catolica del Peru. Italo advises clients on litigation and corporate transactions and has worked on a variety of matters, including antitrust law, SEC investigations, federal securities class actions, international arbitration cases, cross-border transactions and commercial litigation between American and European clients. He also has experience in working with high-net-worth individuals, family offices and businesses from Latin America. Prior to joining Cytowski & Partners, Italo was associated with top international law firms in New York City.

Italo is a member of the New York State Bar and is fluent in in Spanish, Italian, French, English and Portuguese.

Stanislaw Komorowski is a managing associate in Cytowski & Partners’s New York office. He graduated magna cum laude from Warsaw University and subsequently obtained his Master in Laws degree from the New York University School of Law, where he served as a Graduate Editor of the Business & Law Journal. Prior to joining Cytowski & Partners, Stanislaw worked in the bankruptcy division of Dentons in Poland. Stanislaw specializes in corporate and securities law and healthcare law in the context of bio-tech and healthcare companies.

Stanislaw specializes in contract law, data protection and privacy law, IP and health law (ACA, HIPAA).

Stanislaw is a member of the New York Bar and is fluent in Polish and English.

Glen is of counsel to our investment fund group in New York office of Cytowski & Partners. He has almost two decades of legal experience advising on investment funds and related corporate transactions, particularly in cross-border scenarios. He has served as a partner in the corporate/investment management practices at both a top 10 global law firm as well as an international mega-boutique firm specializing in the needs of ultra-high-net-worth investors and their advisors. In addition to a wide range of conventional legal experience, Glen draws upon his undergraduate studies in religion to advise clients on structuring investments to comply with specific religious guidelines. He graduated from Brown University, and also from the University of North Carolina’s School of Law, where he served as editor in chief of its Law Review.

Glen is a member of the New York Bar and is also admitted to practice as a Solicitor of England & Wales.

Grzegorz Ziomkowski is managing partner of the Warsaw office of the firm. Grzegorz is a licensed tax adviser with over more than 10 years of experience advising clients on tax and corporate matters involving technology, financing and M&A transactions.

Grzegorz began his career as an associate in Ernst & Young in Warsaw advising on international tax optimization, corporate restructuring and transfer pricing as well as real estate projects (CIT, VAT, TCLT). Prior to joining the firm Grzegorz was the head of the tax department of a boutique international law firm in Warsaw focusing on the needs of investors, entrepreneurs and tech companies, including flip transactions and ESOP.

Grzegorz has successfully acted on behalf of clients with requests for tax rulings, represented clients in tax proceedings and administrative courts. Grzegorz has also participated in implementing complex cross-border and domestic tax strategies (in-bound and out-bound) with a sector focus on technology, financial services and construction industry, working closely with legal advisors as well as auditors and financial advisors.

Grzegorz holds a Master of Law from Warsaw University with distinction.

Ben Natter specializes in a variety of intellectual property and brand protection matters including product and company name selection, trademark availability and clearance, branding strategies, trademark assignments, sales, license agreements, management and prosecution of worldwide and domestic trademark portfolios, prosecution of U.S. trademark and copyright applications, litigation matters before the U.S. Trademark Trial and Appeal Board and federal courts, foreign and domestic intellectual property anti-counterfeiting protection measures including anti-counterfeiting strategy in China and Latin America, enforcement of trademark rights and negotiation of trademark disputes, negotiation and litigation regarding Internet issues (including domain disputes, UDRP proceedings, new GTLD related issues and DMCA take-downs), new GTLD strategy and social media infringement issues.

Ben has clients from a broad range of industries with a large client base from the fashion and technology fields. Fashion Law, Internet Law and global anti-counterfeiting measures are among Mr. Natter s specialties.

Ben holds a JD from Seton Hall Law School and a BA from Union College. Ben is admitted to the New York and New Jersey bar and practices in the US District Courts: Southern District of New York, Eastern District of New York and New Jersey.

Kathrene Gawel is an associate at Cytowski & Partner’s New York office. She graduated from Jagiellonian University and obtained a U.S. Master in Laws degree from the Catholic University of America, as well as a Master in Laws degree in International Business Law from Vrije Universiteit Amsterdam. Prior to joining Cytowski & Partners, Kathrene worked at Greenberg Traurig’s offices in Amsterdam and Warsaw in the areas of corporate and securities law and antitrust law, and has also worked in the areas of debt collection and bankruptcy.

Kathrene specializes in data protection and privacy law, corporate and securities law, and international business and trade law.

Arkadiusz Klejnowski is an associate in Cytowski & Partners’ Warsaw office. He graduated from the Faculty of Law and Administration of the University of Gdansk. Prior to joining Cytowski & Partners, Arkadiusz gained a professional experience in several law boutique firms in Poland. He is also an author of several publications on IP law and sports law.

He specializes in corporate law, IP law and sports law.

Arkadiusz is currently an advocate trainee at the Warsaw Regional Bar Council. He is fluent in English and Polish.


19 W 34 Street, Suite 1018
New York, New York 10001

P +1.347.868.7986




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San Francisco 94105

P +1.347.868.7986



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