Landmark Technology A, LLC's impact. Quinn Emanuel's life sciences attorneys have litigated over 300 ANDA cases, and various branded vs.Branded matters and pharmaceutical licensing disputes. The APAA takes aim at nonpracticing entities (NPEs), also known as patent trolls. (6) Abusive patent litigation, and especially the assertion of bad-faith infringement claims, can harm North Carolina companies. Do you need assistance with a patent? The expert attorneys at Williams Mullen can help you with patent litigation. Kelsey Nix is one of the most experienced and successful patent litigation attorneys in North Carolina. The first pertains to "reverse payment" or "payfordelay" settlements of patent litigation. The first pertains to "reverse payment" or "payfordelay" settlements of patent litigation.