
Litigation boutique firm MoloLamken LLP has developed a strong appellate practice to handle patents in the technology and life sciences industries. Speaking to the team’s broad expertise, the practice regularly manages Hatch-Waxman cases and recently secured a victory for DivX against Netflix at the PTAB. In Washington DC, Jeffrey A. Lamken and Michael Pattillo are nationally recognised appellate practitioners who are sought after for their expertise in high-stakes appellate proceedings in federal and state courts. Lamken and Pattillo co-chair the practice with Ben Quarmby, who is based in New York and focuses on trial and appellate patent litigation related to computer technology and data privacy. Other names to note in Washington DC include Lucas Walker, a specialist appellate litigator before federal and district courts, and Rayiner Hashem, an IP litigator recommended for his expertise in cellular communications, software and semiconductors. In New York, Sara Margolis is a skilled patent litigator who is typically engaged by biotech companies.
Legal 500 Editorial commentary
- Profile
Testimonials
Collated independently by Legal 500 research team.
‘MoloLamken always try to give us the best team of lawyers with the appropriate expertise and experience.’
‘Ben Quarmby is always very responsive and tries to provide me with the best practical solution.’
Key clients
- VLSI Technology LLC
- DivX, LLC
- Natera, Inc.
- The Regents of the University of California, the University of Vienna, and Emmanuelle Charpentier
- Amgen Inc.
- Nokia
- Duke University
- AbbVie Inc.
- Allergan Sales, LLC
- Colibri Heart Valve LLC
Work highlights
- Representing The Regents of the University of California, the University of Vienna, and Emmanuelle Charpentier in a Federal Circuit appeal concerning who owns the patent to one of the most groundbreaking inventions of our time—a CRISPR-Cas9 system for editing genes in eukaryotic cells.
- Representing Nokia Corp. in a Federal Circuit appeal challenging a $166 million ($181 million with pre-judgment interest) patent-infringement judgment.
- Representing AbbVie Inc. in defending a $39 million patent-infringement judgment.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Jeffrey Lamken; Ben Quarmby; Michael Pattillo
Other key lawyers
Lucas Walker; Sara Margolis; Rayiner Hashem