WHDA is a full service intellectual property law firm. Our patent lawyers and professionals focus on mechanical, electrical, electronic, optical, chemical, pharmaceutical, metallurgical, and biotechnical arts. Our trademark lawyers focus on obtaining, enforcing and defending trademark rights in the U.S. for domestic and international clients for marks including standard word, stylized, design, color, trade dress and product configuration marks. For patent matters, the firm's legal expertise includes interferences, licensing, counseling, patentability, validity and infringement opinions and most particularly patent preparation and prosecution. For trademark matters, the firm's legal expertise includes oppositions, cancellations, settlement and consent agreements, licensing, counseling, registrability searches and clearance, validity and infringement opinions, and trademark preparation and prosecution. Federal Circuit, District Court and ITC cases are handled by our own in-house litigation department.

   Tafas v. Dudas: PTO's Proposed Limitations on Continuations and Claims are Invalid