DTO Law
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DTO Law brings a ‘depth of knowledge and experience in litigation’ to commercial disputes for clients in the automotive, consumer goods and retail, and manufacturing sectors, with a particular strength in patent, trademark, and false advertising disputes, which includes a number of major class actions concerning consumer protection. Los Angeles’ William Delgado, praised by one client for his ’excellent legal analysis, strong writing, and practical business minded approach’, is highly regarded by national industry-leading companies for his class action and intellectual property expertise. Megan O’Neill splits her time between Silicon Valley and LA and specialises acting on class action litigation in the health, nutrition and wellness sectors. Patent lawyer Ellen Yang joined the firm from an in-house role in May 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘William Delgado will have my business for life. He understands our business at both the high level and at the detailed technical level. He thinks long-term in giving advice.
- 'Will Delgado is exceptional. Strengths include excellent legal analysis, strong writing, and a practical business minded approach.'
Key clients
- AbbVie
- Albertsons Companies, Inc.
Work highlights
Representing Diece-Lisa Industries in a precedent-setting trademark dispute involving the “Lots-O’-Huggin’” bear character from Disney’s Toy Story 3.