Theodore Chiacchio

Theodore Chiacchio

Theodore Chiacchio is a Partner at SpencePC in Chicago, Illinois. Mr. Chiacchio, a PTO-registered patent attorney, has amassed over 15 years of experience litigating high-stakes, complex, federal civil cases. While Mr. Chiacchio’s litigation practice has focused predominantly on patent litigation, Mr. Chiacchio also has significant experience with other types of civil litigation, including copyright infringement, a range of other business torts, employment discrimination, and white collar civil enforcement matters. Mr. Chiacchio has substantial experience representing his clients before the USPTO’s Patent and Trial Appeal Board in connection with Inter Partes Review proceedings, in connection with which he has represented both patent challengers and patent-holders. Mr. Chiacchio has also spent a considerable portion of his career preparing Opinions of Counsel regarding patent infringement/non-infringement, patent validity/invalidity, patent enforceability/unenforceability, and freedom to operate. More generally, Mr. Chiacchio regularly counsels clients regarding all manner of patent-related strategy issues. Mr. Chiacchio’s patent law experience spans a range of technologies, including pharmaceuticals, computer software, mechanical (including medical devices), battery technologies, digital signage, and monitoring/tracking sensor technology, among other technologies. Mr. Chiacchio earned his Bachelor of Arts degree (Biology, French) from Bucknell University in 1999 and his Juris Doctor degree from Cornell University Law School in 2002. Prior to joining Spence PC, Mr. Chiacchio served as an associate at Kenyon & Kenyon (now part of Andrews Kurth Kenyon) and, most recently, practiced for just short of a decade at a top tier patent litigation boutique in Chicago.

For more information or to contact Mr. Chiacchio, please visit his Firm Profile Page.


Posts by Theodore Chiacchio


Avoiding drug development clinical trials from being an invalidating public use

The legal principles set out above, while seemingly straight-forward enough, leave ample room for case-specific interpretation and application when it comes to the question of whether the …
By Theodore Chiacchio
14 days ago 4

A review of enhanced damages since Halo: Minimizing potential exposure to enhanced damages

Since the Supreme Court’s decision in Halo, there have been approximately 100 cases analyzing whether the adjudged infringer acted egregiously/willfully en route to a determination of …
By Theodore Chiacchio
2 months ago 0