Knechtel, Demeur & Samlan

As of May 2, 2026

Firm Overview
Knechtel, Demeur & Samlan is an intellectual property boutique law firm headquartered in Chicago, Illinois. Founded in 1954, the firm focuses on patent, trademark, and copyright law. Publicly available data does not indicate that the firm is ranked by AmLaw or Chambers & Partners, suggesting it operates as a specialized regional practice rather than a large national firm. The firm's attorneys are registered to practice before the United States Patent and Trademark Office and various federal courts.

IP Litigation & Side Preference
The firm's stated mission is to help clients realize the full potential of their intellectual property, which includes representation in federal courts. The firm's website describes experience across a variety of technical fields. Authoritative case data shows the firm representing patent holders on the plaintiff side. In its single tracked patent case, Zhende Tech et al. v. Swift Paws Inc., the firm served as plaintiff's counsel, aligning with a practice preference for patent enforcement on behalf of inventors and operating companies.

Notable Cases & Key Partners
The firm’s recent notable patent litigation work includes representing the plaintiff in Zhende Tech et al. v. Swift Paws Inc. This case involved allegations of patent infringement related to a "lure chasing system," a mechanical device. The key attorneys leading the firm's intellectual property practice include partners Stephen B. Samlan and Alan B. Samlan. Alan B. Samlan has a background in all phases of patent law, including prosecution and infringement opinions, while Stephen B. Samlan's practice also encompasses trademark enforcement and e-commerce related infringement matters. There is no significant record of the firm engaging in inter partes review (IPR) or other proceedings before the Patent Trial and Appeal Board (PTAB) based on publicly available information.