Daniel Ilan’s practice focuses on intellectual property law, as well as cybersecurity and privacy.

He has significant experience in representing leading multinational corporations and private equity firms in IP, technology, cybersecurity, and privacy issues arising in transactional contexts, particularly transactions involving acquisition of or investment in IP, data, and various technologies.

Daniel is a member of the Advisory Board of the Cyber-Law Program in the International Cyber-Security Research Center at The Hebrew University of Jerusalem. He is also a member of the board of directors of Volunteer Lawyers for the Arts, a preeminent legal aid organization providing pro bono legal representation to artists, fashion designers, and nonprofit arts and cultural organizations.

Daniel joined the firm in 2000 and became a partner in 2015. From 2000 to 2005, he was resident in the Brussels office, and from 2005 to 2006, he was resident in the Paris office.

Notable Experiences


  • 3M in privacy law and IP issues associated with its $1 billion acquisition of M*Modal, a leading healthcare technology provider of cloud-based, conversational AI-powered systems.

  • dMY III in its merger with IonQ to become the first publicly traded pure-play quantum computing company.

  • Google on numerous matters, including its $2.1 billion acquisition of Fitbit, $2.6 billion acquisition of Looker Data Sciences, its acquisition of Fossil’s smartwatch technology, its $1.1 billion business cooperation agreement with HTC, acquisition of virtual reality video game developer Owlchemy Labs, sale of its Terra Bella satellite business to Planet Labs, $1 billion investment in SpaceX, $2.9 billion sale of Motorola Mobility’s mobile devices business to Lenovo, $2.35 billion sale of Google’s Motorola Mobility home business to ARRIS, its $500+ million acquisition of AI leader DeepMind, and its acquisitions of Waze, Redwood Robotics, and Socratic.

  • Johnson Controls in its $870 million acquisition of Silent-Aire.

  • Lowe’s on the IP, data privacy, licensing, and related aspects of its acquisition of Boomerang’s retail analytics platform.

  • OpenText in complicated licensing arrangements and complex asset divestitures (including data transfer issues) related to its $1.62 billion acquisition of Dell EMC’s Enterprise Content Division, as well as its acquisitions of Liaison Technologies and Guidance Software, its $1.165 billion acquisition of GXS Group, and its acquisition of customer experience and customer communications management software businesses from HP Inc.

  • Sabre Corporation, owner of Travelocity, in its initial public offering.

  • Stanley Black & Decker in the acquisition of Aeroscout, a global leader in Wi-Fi-based Unified Asset Visibility.

  • Temasek on IP and privacy law issues arising in its investment in WuXi NextCode, a data services and analytics company, and its acquisition of Israeli cybersecurity firm Sygnia.

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Media, Gaming, and Entertainment

  • Barilla in connection with its sponsorship of a concert by tenor Andrea Bocelli at Central Park.

  • Brookfield in its $5.8 billion acquisition of Scientific Games’ global lottery and online lottery games and technology business.

  • Carlyle Global Partners in the acquisition of royalty streams derived from film, television, and music rights from Content Partners.

  • Film directors and producers in the financing, production, distribution, and licensing of 11 award-winning documentary motion pictures.

  • FIFA in connection with the evaluation of the United States’ bid to host the 2026 World Cup and in relation to the event generally.

  • Gameloft (a Vivendi company) on IP and data privacy matters related to its acquisition of SongPop developer FreshPlanet.

  • The Raine Group in the sale of a majority interest in C3 Presents and C3 Booking to Live Nation; in the formation of a joint venture with Trey Parker and Matt Stone, the creators of the South Park television series and The Book of Mormon musical production; and in its investments in Imagine Entertainment, the film and television production company led by longtime partners Ron Howard and Brian Grazer; SoundCloud, an online music distribution and sharing platform; and Nitro Circus, an international live action sports and media company.

  • Scientific Games in its acquisition of WMS Industries, a designer and distributor of video gaming devices.

  • Sony in its acquisition of Gaikai, a leading interactive cloud-based gaming start-up; its pending $3.6 billion acquisition of Bungie; and its $1 billion investments in Epic Games.

  • Vivendi in its sale of a 10% interest in Universal Music Group to Tencent.

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Healthcare, Pharmaceuticals, and Life Sciences

  • Takeda in its pending up to $6 billion acquisition of NDI-034858 from Nimbus Therapeutics.

  • 3M in privacy law and IP issues associated with its $6.7 billion acquisition of innovative wound care company Acelity.

  • Allergan on the IP aspects of its proposed $160 billion combination with Pfizer and in its $40.5 billion generics sale to Teva Pharmaceuticals.

  • Altaris in its acquisition of a majority stake in Solesis, a life science and medical technology company focused on biopharmaceuticals and medical device technologies.

  • Asahi Kasei on the IP aspects of its $2.2 billion acquisition of ZOLL Medical Corporation.

  • Biomet and other parties in the $13.35 billion sale of Biomet to Zimmer Holdings.

  • Merck & Co. in the sale to J&J of its stake in its JV, J&J MSD Europe.

  • PDL BioPharma on the IP aspects of its equity investment in Noden Pharma and in Noden’s acquisition of rights to Tekturna HCT from Novartis.

  • TPG in its acquisition of Envision Pharmaceutical Holdings, a national, full-service pharmacy benefit management company, and in its subsequent $2 billion sale of Envision to Rite Aid Corporation.

  • Walgreens Boots Alliance in the $6.5 billion strategic transaction with AmerisourceBergen Corporation.

  • Warburg Pincus in its acquisition of CityMD and in CityMD’s acquisition of Summit Medical Group and in the $8.7 billion sale of Bausch + Lomb to Valeant Pharmaceuticals International.

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Art and Fashion

  • Donatella Versace, GiVi Holding, and Jonathan Akeroyd in the $2.13 billion sale of Versace to Michael Kors Holdings.

  • FullBeauty Brands in its acquisition of “Catherine’s” clothing brand, including the IP and e-commerce business from Ascena.

  • Giorgio Armani Corporation, Hugo Boss, and Guess? Inc. in numerous privacy and cybersecurity matters.

  • Reed Krakoff on the IP aspects of its acquisition of the “REED KRAKOFF” brand from Coach.

  • The Roy Lichtenstein Foundation in numerous matters, including a complex licensing and sale of approximately 200,000 prints, negatives, and other items (and related copyrights) created by celebrated photographers Harry Shunk and János Kender to five of the world’s leading art institutions (the Getty Research Institute, The Museum of Modern Art, the National Gallery of Art, Centre Pompidou, and Tate), a first-of-its-kind arrangement establishing a consortium among the institutions that both receive and share the materials.

  • Tom Ford in connection with various matters, including copyright and trademark licensing matters.

  • TPG on the IP aspects of its sale of Bally to Labelux.

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  • América Móvil in its $6.25 billion sale of TracFone to Verizon and in its investments in Mobli, a photo and video sharing app and in Sport195, a global social networking app for sports fans.

  • American Tower Corporation in its approximately $10.1 billion acquisition of CoreSite Corporation.

  • Nortel Networks, including in Nortel’s unprecedented $4.5 billion auction sale of more than 6,000 patents to a consortium that included Apple and Microsoft, the largest stand-alone patent sale in history; and on other IP matters relating to Nortel’s bankruptcy, including its highly complicated asset sales, such as the divestitures of its 3G and 4G wireless businesses and the Optical and Ethernet business.

  • TPG in its $2.25 billion acquisition of RCN and Grande Communications, and in RCN’s subsequent $2.36 billion acquisition of Wave Broadband.

  • Verizon Communications Inc. in its approximately $2.4 billion acquisition of Fleetmatics Group PLC, a leading provider of mobile workforce solutions for service-based businesses.

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Consumer Goods

  • General Mills in the sale of its 51% controlling interest in Yoplait S.A.S. to Sodiaal in exchange for full ownership of the Canadian Yoplait business and a reduced royalty rate for use of the Yoplait and Liberté brands in the United States and Canada.

  • Lavazza on the IP aspects of its acquisition of Mars Drinks.

  • LVMH in its $716 million acquisition of high-tech luggage brand RIMOWA.

  • McCormick & Company in IP, cybersecurity, and privacy law issues in connection with its $4.2 billion acquisition of the food business of Reckitt Benckiser Group and its acquisition of Cholula Hot Sauce for $800 million.

  • Samsonite in its acquisition of Tumi.

  • Suntory Holdings Limited in its $16 billion acquisition of Beam Inc.

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Chemical, Industrials, and Manufacturing

  • 3M in privacy law and IP issues associated with various acquisitions and business divestitures, including the $230 million sale of its gas and flame detection business to Teledyne.

  • ABB Ltd. in its $1 billion acquisition of Power-One Inc. and in the subsequent disposition of certain Power-One subsidiaries.

  • Honeywell in privacy issues arising in its spin-off of its Transportations Systems and Homes businesses.

  • IFF in the $1.3 billion sale of its Microbial Control business unit to Lanxess.

  • Westlake in its $1.2 billion acquisition of Hexion’s global epoxy business.

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  • ESL Investments on IP and privacy matters related to its $5.2 billion acquisition of Sears.

  • Geoffrey LLC, owner of the TOYS “R” US brand, in the licensing of the right to use TOYS “R” US for retail stores.

  • Home Depot in its acquisition of Red Beacon, a home services marketplace web company.

  • Warburg Pincus in the $6 billion sale of Neiman Marcus and the acquisition of the websites business of Intuit Corporation.

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Commercial and Professional Services

  • Allied Universal on IP matters related to its $1 billion acquisition of U.S. Security Associates and in its pending sale of an equity stake in Allied to CDPQ.

  • Dun & Bradstreet on IP matters related to its $6.9 billion sale to a consortium.

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Regulators Impose Epic Consequences for Children’s Privacy Rights Violations,” Cleary Cybersecurity and Privacy Watch blog, December 28, 2022 (co-authored with Marcela Robledo, Brendan J. Cohen, and Melissa Faragasso)

California Refuses to “Kid Around” on Children’s Privacy With Enactment of the California Age Appropriate Design Code,” Cleary Cybersecurity and Privacy Watch blog, September 16, 2022 (co-authored with Marcela Robledo, Joshua A. Deull, Melissa Faragasso, and Christine D’Alessandro) 

2021 Cybersecurity and Privacy Developments in the United States,” Cleary Gottlieb Alert Memorandum, January 27, 2022 (co-authored with Jonathan S. Kolodner, Rahul Mukhi, Anthony M. Shults, Aaron Francis, Hyatt Mustefa, Lilianna (Anna) Rembar, Melissa Faragasso)

The New Commission SCCs for Data Transfers Under GDPR – More Questions Than Answers?,” Cleary Gottlieb Alert Memorandum, July 6, 2021 (co-authored with Gareth Kristensen, Natascha Gerlach, Lourie Ka Chun, and Federica Mammì Borruto)

The ‘New‘ Dominion of Privacy Law: Virginia Becomes Second State to Pass Comprehensive Consumer Data Privacy Act,” Cleary Gottlieb Alert Memorandum, April 14, 2021 (co-authored with Rahul Mukhi and Megan Medeiros)

The Supreme Court’s Decision in Google v. Oracle: Transformative Use of Popular Code Can Be ‘Fair Use’,” Cleary Gottlieb Alert Memorandum, April 9, 2021 (co-authored with David Herrington, Arminda B. Bepko, Daniel Montgomery and Leila Mgaloblishvili) 

2020 Cybersecurity and Privacy Developments A Year in Review,” Cleary Gottlieb Alert Memorandum, January 25, 2021 (co-authored with Katherine Mooney Carroll, Alexis Collins, Jonathan S. Kolodner, Rahul Mukhi, Daniel Montgomery, Natalie Farmer, Emmanuel Ronco) 

The Privacy Law Plot Continues to Thicken: Compliance Considerations for 2021,” Selected Issues for Boards of Directors in 2021, January 11, 2021 (co-authored with Emmanuel Ronco, Megan Medeiros, Natalie Farmer and Daniel Montgomery) 

Supreme Court Holds That Willful Infringement Is Not a Prerequisite for Recovery of Infringer’s Profits in Trademark Infringement Suits,” Cleary Gottlieb Alert Memorandum, April 27, 2020 (co-authored with David H. Herrington, Arminda B. Bepko and Michelle Butler) 

California AG Proposes Second Round of Modifications to CCPA Regulations,” Cleary Gottlieb Alert Memorandum, March 16, 2020 (co-authored with Katherine Mooney Carroll, Alexis Collins, Jonathan S. Kolodner, Rahul Mukhi, Michelle Butler and Jane C. Rosen)

California AG Proposes Modified CCPA Regulations,” Cleary Gottlieb Alert Memorandum, February 12, 2020 (co-authored with Katherine Mooney Carroll, Alexis Collins, Jonathan S. Kolodner, Rahul Mukhi, Michelle Butler and Jane C. Rosen)

2019 Cybersecurity Developments: A Year in Review,” Cleary Gottlieb Alert Memorandum, January 31, 2020 (co-authored with Jonathan S. Kolodner, Rahul Mukhi, James Norris-Jones, Emmanuel Ronco, Katherine Mooney Carroll and Alexis Collins)

California Consumer Privacy Act Amendments Offer Relief, but Challenges Remain,” Cleary Gottlieb Alert Memorandum, September 24, 2019 (co-author with Katherine Mooney Carroll, Jonathan S. Kolodner, Rahul Mukhi, Alexis Collins, Jane C. Rosen, and Whitney Alexandra Lee)

Putting Your Best Face Forward: Emerging Cybersecurity and Privacy Issues for Facial-Recognition Technology,” The Hebrew University of Jerusalem Cyberlaw Blogospace, August 18, 2019 (co-authored with Alexandra Theobald)

2018 Cybersecurity and Data Privacy Developments: A Year in Review,” Cleary Gottlieb Alert Memo, January 29, 2019; republished in The Columbia Law School Blue Sky Blog, February 6, 2019 (co-authored with Jonathan S. Kolodner, Pamela L. Marcogliese, Rahul Mukhi, Katherine Mooney Carroll, Alexis Collins, and Emmanuel Ronco)

California’s Groundbreaking Privacy Law: The New Front Line in the U.S. Privacy Debate,” (with Michael H. Krimminger, Jonathan S. Kolodner, Katherine Mooney Carroll, Pamela L. Marcogliese, Rahul Mukhi, Alexis Collins, Gareth Kristensen, Jane C. Rosen, Martha E. Vega-Gonzalez, and Anne Titus Hilby)  

Recent Case Underscores Growing Divide on Treatment of Trademark Licenses in Bankruptcy Proceedings, an Issue Ripe for Supreme Court Review,” Law360, June 13, 2018 (co-authored with Luke Barefoot, Katie Dunn, and Michelle Elsner) 

CONSENT Act: Proposed Legislation a Sign of Potential U.S. Consent to Greater Privacy Protections?” Law360, June 11, 2018 (co-authored with Katherine Mooney Carroll, Daniel Ilan, Jon Kolodner, and Diana Yu)

Cleary Discusses Cybersecurity and Data Privacy Developments:  A Look Back on 2017 and Ahead to 2018,” Columbia Law School Blue Sky Blog, February 9, 2018 (co-authored with Jonathan S. Kolodner and Rahul Mukhi)

How The Cybersecurity Legal Landscape Changed In 2017,” Law360, January 19, 2018 (co-authored with Jonathan S. Kolodner and Rahul Mukhi)

Understanding the Impact of China’s Far Reaching New Cybersecurity Law,” Cleary Gottlieb Alert Memo (republished in Intellectual Property and Law Journal), October 5, 2017

NY Regulations Set The Bar High For Cybersecurity Standards,” Law360, August 24, 2017

Things to Watch in Retail: Key Takeaways,” Cleary Gottlieb Alert Memo, June 23, 2017

Recent Developments Highlight Measures To Mitigate Litigation and Regulatory Exposure From Cyber-Attacks,” Cleary Gottlieb Alert Memo, June 22, 2017

The Supreme Court’s Lexmark Ruling On Patent Exhaustion: The Strategic Implications For Patentees,” Cleary Gottlieb Alert Memorandum, June 5, 2017

“No Laches, More Problems: SCA Hygiene’s Impact on M&A,” Law360, May 1, 2017

New York Cybersecurity Regulations for Financial Institutions Enter Into Effect,” Cleary Gottlieb Alert Memo, March 3, 2017

Privacy in M&A Transactions: Navigating the Traps,” Cleary M&A and Corporate Governance Watch blog, October 24, 2016

New York Proposes First-of-its-Kind Cybersecurity Regulation,” Cleary Gottlieb Alert Memo, September 20, 2016

“Halo Magnifies Patent Infringement Risks In M&A,” Law360, July 15, 2016.

“Supreme Court Curbs Patentability of Computerized Business Methods,” Intellectual Property and Law Journal, September 2014.

“Supreme Court Finds “First Sale” Copyright Doctrine Applies to Copies Lawfully Made and First Sold Abroad,” Intellectual Property and Law Journal, June 2013.

“Reselling Resale Royalties to America – A Path Forward for the Equality for Visual Artists Act?” Entertainment, Arts and Sports Law Journal, Fall/Winter 2012, with Megan Prunella.

“Congress Makes Substantial Changes to Patent Law with the America Invents Act,” Intellectual Property & Technology Law Journal, December 2011.

“European Antitrust and Patent Acquisitions: Trolls in the Patent Thickets,” Competition Law International, August 2012, with Maurits Dolmans.

“Trademark Licensing in M&A Deals: Some Strategic Considerations for Sellers and Buyers,” The Licensing Journal, September 2009.