Ohio Southern District Court
Judge:Douglas R Cole
Case #: 1:23-cv-00337
Nature of Suit375 Other Statutes - False Claims Act
Cause31:3730 Qui Tam False Claims Act
Case Filed:Jun 01, 2023
Last checked: Wednesday Jul 23, 2025 12:09 AM EDT
Defendant
Dr. John Byrd
Defendant
Dr. Alexandru Costea
Defendant
University of Cincinnati Physicians, Inc.
Defendant
Dr. Charles Hattemer
Defendant
University of Cincinnati Physicians Company LLC
Defendant
University of Cincinnati Medical Center
Defendant
University of Cincinnati Health
Defendant
The University of Cincinnati College of Medicine
Plaintiff
State of Oklahoma
Plaintiff
Commonwealth of Massachusetts
Plaintiff
Commonwealth of Virginia
Plaintiff
Deeptankar Demazumder
Represented By
Mark Joseph Byrne
Jacobs, Kleinman, Seibel & Mcnally
contact info
Kenneth Franklin Seibel
Jacobs, Kleinman, Seibel & Mcnally
contact info
Samuel J. Buffone, Jr.
Buffone Law Group
contact info
Plaintiff
State of California
Plaintiff
State of Colorado
Plaintiff
State of Connecticut
Plaintiff
United States of America
Represented By
Matthew Joseph Horwitz
United States Attorney'S Office For The Southern Distri
contact info
Plaintiff
State of Delaware
Plaintiff
The District of Columbia
Plaintiff
State of Wisconsin
Plaintiff
State of Washington
Plaintiff
State of Vermont
Plaintiff
State of Texas
Plaintiff
State of Tennessee
Plaintiff
State of Rhode Island
Plaintiff
State of Florida
Plaintiff
State of North Carolina
Plaintiff
State of New York
Plaintiff
State of New Mexico
Plaintiff
State of New Jersey
Plaintiff
State of Nevada
Plaintiff
State of Montana
Plaintiff
State of Minnesota
Plaintiff
State of Michigan
Plaintiff
State of Maryland
Plaintiff
State of Louisiana
Plaintiff
State of Iowa
Plaintiff
State of Indiana
Plaintiff
State of Illinois
Plaintiff
State of Hawaii
Plaintiff
State of Georgia


Docket last updated: 06/12/2026 11:59 PM EDT
Tuesday, June 02, 2026
order Order on Motion for Extension of Time to File Response/Reply Tue 06/02 9:02 AM
NOTATION ORDER granting73 Motion for Extension of Time to File Response, with no objection from Defendants re61 ,67 , and69 Motion to Dismiss. Responses due by 6/15/26. SO ORDERED. Signed by Judge Douglas R. Cole on 6/2/26. (mas)
Related: [-]
Monday, June 01, 2026
73 73 motion Extension of Time to File Response/Reply Mon 06/01 2:52 PM
MOTION for Extension of Time to File Response/Reply as to67 MOTION TO DISMISS FOR FAILURE TO STATE A CLAIM ,69 MOTION TO DISMISS FOR FAILURE TO STATE A CLAIM ,61 MOTION to Dismiss MOTION TO DISMISS FOR FAILURE TO STATE A CLAIM New date requested 6/15/2026. by Plaintiff Deeptankar Demazumder. (Byrne, Mark)
Related: [-]
Att: 1 Text of Proposed Order