Jahmy represents clients in cases that involve many industries and issues, including the automotive industry, healthcare, retail, technology, contract, warranty, tort, securities, false advertising, and product liability claims. For example, Jahmy has successfully litigated several consumer class actions involving claims of alleged false advertising, including obtaining victories at trial, class certification, and dispositive motion practice. His experience also extends to arbitration and general civil defense. A go–to civil litigator and trial lawyer for his clients, Jahmy handles a wide variety of legal disputes ranging from bet–the–company cases to discrete non–complex matters. Jahmy has also been involved in significant pro bono cases, where he has handled a broad range of matters, including immigration, civil rights, and family law. 

Jahmy is published on the topic of collective actions, substantially contributing articles for Thomson Reuters and Practical Law regarding state and federal class actions in the U.S.