is a boutique law firm handling complex and class action litigation, including shareholder derivative litigation, securities class actions, data breach and consumer class actions.

Current Securities Class Action Cases

Federman & Sherwood regularly posts press releases about new class action securities cases, which includes the class period and deadlines for appointment of lead plaintiffs.  Please review any of the case listings  below, and if you bought a security during the class period, we invite you to return an investor certification to our office. Our link to an investor certification for any of the cases can be found below each respective press release on that company.  Once completed, please return to our office by email to or fax to (405) 239-2112. 

Current Cases

Lawsuit Against Oil Companies in Oklahoma

Federman & Sherwood Announces the Filing of a Declaratory and Injunctive Relief Action Against Oil Companies

Oklahoma City, OK (February 16, 2016) – On February 16, 2016, a declaratory and injunctive relief lawsuit was filed in the United States District Court for the Western District of Oklahoma against Chesapeake Operating, LLC, Devon Energy Production Co. LP and New Dominion, LLC.  The complaint requests declaratory and injunctive relief under the citizen suit provision of the Solid Waste Disposal Act (“RCRA”).  More specifically, the lawsuit was filed to enforce significant and ongoing violations of RCRA that are placing people and the environment in Oklahoma and Kansas at significant and immediate risk from major man-made earthquakes induced by Defendants’ waste disposal practices. To view a copy of the Complaint, click here.  You can also click here to view the Notice of Intent to Sue letter that was served on the Defendants.  

You can also view news programs relating to the earthquakes felt in Oklahoma at the following links:

If you received damages relating to an earthquake and would like to obtain additional information regarding this lawsuit, click here to obtain a questionnaire.  Once  you have completed the questionnaire, please email to, fax to (405) 239-2112 or send by regular mail to Federman & Sherwood, 10205 North Pennsylvania Avenue, Oklahoma City, OK 73120, ATTN:  Ashley.

Copyright © 2018 Federman & Sherwood. All Rights Reserved.