Photo of John P. Lahad

John P. Lahad

Partner, Susman Godfrey

713-653-7859jlahad@susmangodfrey.com

1000 Louisiana

Suite 5100

Houston, TX 77002

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There is nothing better than persuading a jury or a judge to find in favor of the client. John Lahad has experienced that rush often in his career and it drives how he practice law today – with a focus on presenting his client’s story in the most clear and compelling manner possible. 

Lawdragon Honors

Honor Year Practice
The 2026 Lawdragon 500 Leading Litigators in America 2026 IP Litigation, Patent, Commercial Litigation, Plaintiff
The 2025 Lawdragon 500 Leading Litigators in America 2025 IP Litigation, Patent, Commercial Litigation, Plaintiff

Lahad has secured major courtroom victories in a variety of practice areas across a diverse cross section of industries. His work has touched on spinal implants and related medical devices, polymer materials, healthcare and ERISA, mobile device software, radiation oncology software and instruments, and semiconductor design and fabrication.  

For Linde Engineering in a construction dispute regarding a North Dakota gas plant, Lahad was co-lead counsel in a 5-week jury trial in Harris County, Texas that resulted in a more than $42 million judgment for Linde, in addition to more than $22 million in pretrial recoveries. His team also defeated more than $40 million in counterclaims. Read more (subscription required).

Lahad represents repeat client, Globus Medical, Inc., as a defendant in multiple patent infringement cases pending across the country. Most recently, against Moskowitz Family LLC, he defeated an $86 million patent infringement lawsuit, receiving a full defense verdict after an 8-day jury trial where he served as co-lead counsel and delivered closing arguments.  Read more. Also for Globus, in a trial against Flexuspine, Inc., Lahad secured a full defense jury verdict in Tyler, Texas. After a week-long trial, the jury found the asserted patents non-infringed and invalid. Read more.

As co-lead counsel to the University of Texas, Lahad obtained a $42 million verdict against Boston Scientific Corporation in patent infringement litigation the District of Delaware. The patented technology involved polymers applied to cardiac stents. In addition to finding infringement and no invalidity, the jury also found that Boston Scientific’s infringement was willful. Read more.

Lahad helped secure a jury verdict of $17 million in a patent infringement trial in Delaware on behalf of plaintiff Intellectual ventures against Symantec. The patented technology involved computer antivirus technology.  Read more. Lahad obtained a $15.4 million verdict on behalf of PACT XPP Technologies, AG, in federal court in Marshall, Texas over allegations that Xilinx, Inc. and Avnet, Inc. had infringed two of PACT’s patents via their sale of certain Xilinx-branded Field Programmable Gate Array (FPGA) devices. The jury found that both PACT patents were infringed and valid, and it further determined Xilinx’s infringement to be willful. After enhancing the jury’s verdict and awarding attorney’s fees on account of the willfulness finding as well as adding costs and interest, the judgment in PACT’s favor totaled approximately $44 million. The case settled for a confidential amount while on appeal. Read more.