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 Experience

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

  • 3M in privacy law and IP issues associated with various acquisitions business divestitures, including its $6.7 billion acquisition of Acelity, the $230 million sale of its gas and flame detection business to Teledyne, and $1 billion acquisition of M*Modal’s technology business.

  • 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, and acquisitions of Waze, DeepMind, Redwood Robotics, and Socratic.

  • Honeywell on data transfer issues and global compliance with privacy and data protection laws, including with privacy issues arising in its spin-off of its Transportations Systems and Homes businesses.

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

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

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

  • 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.

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

  • 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.

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

  • 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.

  • 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.

  • 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.

  • 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 ongoing bankruptcy, including its highly complicated asset sales, such as the divestitures of its 3G and 4G wireless businesses and the Optical and Ethernet business.

  • Samsonite in its acquisition of Tumi.

  • Sony in its acquisition of Gaikai, a leading interactive cloud-based gaming start-up.

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

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

  • The Raine Group 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 investment in Imagine Entertainment, the film and television production company led by longtime partners Ron Howard and Brian Grazer.

  • América Móvil in its investments in Mobli, a photo and video sharing app and in Sport195, a global social networking app for sports fans.

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

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

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

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

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

  • The Roy Lichtenstein Foundation in 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.

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

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

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

See More


The ‘New‘ Dominion of Privacy Law: Virginia Becomes Second State to Pass Comprehensive Consumer Data Privacy Act,” Cleary Gottlieb Alert Memorandum, July 6, 2021 (co-authored with Gareth Kristensen, Natascha Gerlach, 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.