Luke Sosnicki solves commercial and class action litigation problems for a range of financial institutions, online and brick-and-mortar retailers, manufacturers, food producers, and other consumer-facing clients.
Luke defends clients in consumer class action lawsuits that allege unfair and deceptive practices and false advertising in customer agreements and disclosures, product labeling, print and media advertising, and online sales. These matters have included lawsuits across the country challenging financial institutions’ practices relating to account and loan fees (including overdraft and insufficient funds fees), loan origination, servicing, debt collection, and credit reporting. Luke has also defended clients in class action lawsuits challenging clients’ advertised prices, representations on product labels about products’ origin and content, and compliance with labeling requirements, including California’s Proposition 65.
Luke also has significant experience defending clients in data privacy litigation, including class action lawsuits based on their collection and use of consumers’ personal information. He also defends clients in lawsuits brought under state wiretapping laws, as well as those who face litigation after suffering a security incident or breach. Luke holds a CIPP/US certification from the International Association of Privacy Professionals and, in addition to defending privacy claims, provides comprehensive pre-lawsuit advice on litigation risks related to federal and state data privacy laws.
experience
Consumer Litigation
- Representation of banks in putative class actions alleging improperly assessed and collected overdraft fees.
- Representation of major mortgage servicers and lenders in individual and putative class actions alleging various lending violations, origination fraud, loan-servicing errors, premises liability, and title issues.
- Representation of major telecommunications company in putative class action alleging false advertising and unfair competition claims relating to telecommunications services.
- Representation of insurance brokerage in putative class actions under the Telephone Consumer Protection Act.
- Representation of major telecommunications company in putative class action under the Telephone Consumer Protection Act.
- Representation of retail restaurant chain in putative class action alleging false advertising and unfair competition claims relating to food-delivery fees.
- Representation of food manufacturer in putative class action alleging false advertising and unfair competition claims relating to food labeling.
- Representation of online retailer in claims involving online presentation of discounted pricing.
Consumer Data Privacy and Security
- Representation of financial services and manufacturing clients in lawsuits stemming from security incidents and data breaches.
- Representation of online retailer clients in lawsuits and arbitrations alleging violations of California’s Invasion of Privacy Act.
- Advising major sales and marketing company on California privacy laws as applied to significant California marketing campaign.
- Advising major consultancy firm on the privacy and security aspects of its contracting processes with its customers that collect consumer information.
- Advising insurance client on California privacy laws as applied to its California-based operations.
Commercial Litigation
- Representation of financial services company in lawsuit alleging tortious interference with plaintiff’s factoring agreement with an entity in which the company had a significant investment. Obtained complete summary judgment on claims seeking over $11 million. Affirmed on appeal.
- Representation of introducing broker in negligence and breach of duty claims arising from alleged account liquidation. Obtained complete summary judgment, which was affirmed on appeal.
- Representation of real estate development company in lawsuit alleging breach of fiduciary duty relating to misappropriation of key assets.
- Representation of global manufacturing solutions company in numerous seven-figure arbitrations with customers and suppliers.
- Representation of clothing manufacturer in U.S. proceedings arising from alleged foreign trademark infringement.
- Representation of manufacturer of laboratory equipment in contract dispute with supplier.
- Representation of advertising technology company in contract dispute with third-party software developer.
- Representation of real estate development company in lawsuit alleging trade-secret theft.
- Polish (fluent)
- Listed in The Best Lawyers in America® (by BL Rankings), Commercial Litigation, 2024-2025
- Quoted, “Cybersecurity & Privacy Policy To Watch In 2024“
Law360, January 1, 2024 - Author, “Court Challenges to Web Tracking Tools Raise Crucial Questions”
Bloomberg Law, December 8, 2023 - Quoted, “Calif. Privacy Board Turns To New Regs As Uncertainties Swirl”
Law360, September 7, 2023 - Author, “New California Agency Sets Enforcement Priorities for Privacy”
Bloomberg Law, August 25, 2023 - “On Compliance: Should Your Credit Union Be a Plaintiff in a Data Breach Class Action Suit?”
Credit Union Management, publication of the Credit Union Executives Society (CUES), July 2019 - Chapter 19, Consumer Financial Services Answer Book
2022
I like to read classic fiction, ride mountain bikes, explore local trails on my off-road motorcycle, and spend as much time as I can with my family outdoors.