Laura Revolinsky v. Bayer Corporation, et al
Plaintiff: LAURA REVOLINSKY and SERESTO FLEA AND TICK COLLARS
Defendant: BAYER CORPORATION, ELANCO ANIMAL HEALTH, INC., BAYER HEALTHCARE LLC, BAYER U.S. LLC, ELANCO U.S., INC. and BAYER HEALTHCARE ANIMAL HEALTH, INC.
Case Number: 25-2401
Filed: August 12, 2025
Court: U.S. Court of Appeals, Seventh Circuit
Nature of Suit: Other Statutory Actions

Opinions

We have the following opinions for this case:

Date Filed Description
June 10, 2026 Summary Revolinsky v Bayer Corporation

Docket Report

This docket was last retrieved on February 4, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
February 4, 2026 Filing 38 Received argument confirmation from Michael Reese for Appellee Seresto Flea and Tick Collars. [38] [7502620] [25-2401] (Reese, Michael) [Entered: 02/04/2026 01:54 PM]
February 4, 2026 Filing 37 Received argument confirmation from Bruce H. Nagel, Esq. for Appellant Laura Revolinsky. [37] [7502619] [25-2401] (Nagel, Bruce) [Entered: 02/04/2026 01:47 PM]
February 3, 2026 Filing 36 Received argument confirmation per argument email form for Attorney Bruce H. Nagel for Appellant Laura Revolinsky. [36] [7502282] [25-2401] (CAH) [Entered: 02/03/2026 11:53 AM]
January 27, 2026 Opinion or Order Filing 35 ORDER issued GRANTING Unopposed Motion by Bruce H. Nagel to Appear Via Zoom for Oral Argument on Behalf of Plaintiff-Appellant Laura Revolinsky. Attorney Bruce H. Nagel may present oral argument by Zoom Video Communications. The clerks office will contact counsel with further instructions. [ # 34 ] SCR [35] [7500683] [25-2401] (AD) [Entered: 01/27/2026 10:31 AM]
January 23, 2026 Filing 34 Motion filed by Appellant Laura Revolinsky to present oral argument remotely. [34] [7500293] [25-2401] (Nagel, Bruce) [Entered: 01/23/2026 01:47 PM]
January 12, 2026 Filing 33 Circuit Rule 26.1 Disclosure Statement and Appearance filed by Attorney Rachana N. Fischer for Appellees Elanco Animal Health, Inc., Elanco U.S., Inc., Bayer Healthcare Animal Health, Inc. and Bayer Corporation. [33] [7497628] (L-No; E-Yes; R-No) [25-2401]--[Edited 01/12/2026 by PS - docket updated to reflect the addition of counsel.] (Fischer, Rachana) [Entered: 01/12/2026 11:11 AM]
December 23, 2025 Filing 32 NOTICE: Circuit Rule 46(a) requires the lead attorney and any attorney who intends to present oral argument be admitted to practice in this court. The lead attorney for each party represented by counsel must apply for admission to practice in this court by the later of: (a) 30 days from the docketing of the matter in this court; or (b) 15 days from being retained or appointed as counsel. An attorney who intends to present oral argument must apply for admission to practice in this court before the filing of the appellee's brief. Our records indicate Attorney Rachel Soffin for Appellee Seresto Flea and Tick Collars has not been admitted to practice in this court as of this date. The "Application for Admission to Practice in the Seventh Circuit" form can be found at: https://www.ca7.uscourts.gov/assets/pdf/applctn.pdf. The filing of the completed application must be accomplished via the CM/ECF filing system. [32] [7494671] [25-2401] (LJ) [Entered: 12/23/2025 10:00 AM]
December 15, 2025 Filing 31 Argument set for Friday, February 13, 2026, at 9:30 a.m. in the Main Courtroom, Room 2721, of the United States Court of Appeals for the Seventh Circuit, 219 S. Dearborn Street, Chicago, Illinois. Each side limited to 10 minutes. [31] [7492924] [25-2401] (NHV) [Entered: 12/15/2025 01:08 PM]
November 26, 2025 Filing 30 Paper copies of appellant reply brief filed by Appellant Laura Revolinsky. [30] [7489363] [25-2401] (NHV) [Entered: 11/26/2025 09:53 AM]
November 20, 2025 Filing 29 Appellant's reply brief filed by Appellant Laura Revolinsky. Paper copies due on 11/28/2025. [29] [7488382] [25-2401] (SK) [Entered: 11/20/2025 03:51 PM]
November 20, 2025 Filing 28 Submitted appellant reply brief by Bruce H. Nagel for Appellant Laura Revolinsky. [28] NOTE: Access to this entry is limited to counsel of record. Once the document is approved by the court, it will be filed onto the court's docket as a separate entry which will be open to the public. [7488343] [25-2401] (Nagel, Bruce) [Entered: 11/20/2025 02:39 PM]
November 19, 2025 Filing 27 Paper copies of appellee brief and appendix filed by Appellee Seresto Flea and Tick Collars. [27] [7487936] [25-2401] (CAH) [Entered: 11/19/2025 10:37 AM]
November 14, 2025 Filing 24 Submitted appellee brief by Michael Williams for Appellee Seresto Flea and Tick Collars. [24] NOTE: Access to this entry is limited to counsel of record. Once the document is approved by the court, it will be filed onto the court's docket as a separate entry which will be open to the public. Filed Non-Party Brief of the Certified Class of Consumers of Seresto Flea & Tick Collars by Certified Class of Consumers. [7487246] [25-2401] [7487246] [25-2401]--[Edited 11/14/2025 by CAH] (Williams, Michael) [Entered: 11/14/2025 03:29 PM]
November 12, 2025 Filing 22 Paper copies of appellee brief filed by Appellees Bayer Corporation, Bayer HealthCare LLC, Bayer Healthcare Animal Health, Inc., Bayer U.S. LLC, Elanco Animal Health, Inc. and Elanco U.S., Inc.. [22] [7486460] [25-2401] (CAH) [Entered: 11/12/2025 10:44 AM]
November 10, 2025 Filing 26 Filed Appendix by Appellee Seresto Flea and Tick Collars. [26] [7487270] Paper copies due on 11/20/2025 [25-2401] (CAH) [Entered: 11/14/2025 04:22 PM]
November 10, 2025 Filing 25 Appellee's brief filed by Appellee Seresto Flea and Tick Collars. Paper copies due on 11/20/2025. [25] [7487269] [25-2401] (CAH) [Entered: 11/14/2025 04:20 PM]
November 10, 2025 Filing 23 Brief deficiency letter sent to Appellee Seresto Flea and Tick Collars. [23] [7486591] [25-2401] (SK) [Entered: 11/12/2025 03:02 PM]
November 10, 2025 Filing 21 Filed Non-Party Certified Class of Consumers' Supplemental Appendix by Certified Class of Consumers. [7486267] [25-2401] (Williams, Michael) [Entered: 11/10/2025 03:45 PM]
November 10, 2025 Filing 20 Filed Non-Party Brief of the Certified Class of Consumers of Seresto Flea & Tick Collar by Certified Class of Consumers. [7486265] [25-2401] (Williams, Michael) [Entered: 11/10/2025 03:43 PM]
November 7, 2025 Filing 19 Appellee's brief filed by Appellees Bayer Corporation, Bayer HealthCare LLC, Bayer Healthcare Animal Health, Inc., Bayer U.S. LLC, Elanco Animal Health, Inc. and Elanco U.S., Inc.. Paper copies due on 11/14/2025. [19] [7485994] [25-2401] (NHV) [Entered: 11/07/2025 04:43 PM]
November 7, 2025 Filing 18 Submitted appellee brief by Attorney John P. Mandler Filed Response by for Appellees Bayer Corporation, Bayer Healthcare Animal Health, Inc., Bayer HealthCare LLC, Bayer U.S. LLC, Elanco Animal Health, Inc. and Elanco U.S., Inc. Attorney John P. Mandler to Appellant's Brief. [18][7485863] [25-2401] NOTE: Access to this entry is limited to counsel of record. Once the document is approved by the court, it will be filed onto the court's docket as a separate entry which will be open to the public. [7485863] [25-2401]--[Edited 11/07/2025 by JAD to reflect the correct filing type of brief submission.] (Mandler, John) [Entered: 11/07/2025 12:08 PM]
October 15, 2025 Filing 17 Paper copies of appellant brief and appendix filed by Appellant Laura Revolinsky. [17] [7480719] [25-2401] (DAB) [Entered: 10/15/2025 11:10 AM]
October 14, 2025 Filing 16 NOTICE: Attorney Bruce H. Nagel for Appellant Laura Revolinsky will not be available for oral argument December 8-12, 2025; December 16-17, 2025; May 18-22, 2026; July 7-8, 2026; and August 4-5, 2026. [16] [7480417] [25-2401] (Nagel, Bruce) [Entered: 10/14/2025 01:08 PM]
October 9, 2025 Filing 15 Circuit Rule 26.1 Disclosure Statement and Appearance filed by Attorney Rachel Soffin for Not Party Plaintiffs' Co-Lead Counsel. for Certified Class of Consumers of Seresto Flea and Tick Collars During Class Period. [15] [7479925] (L-Yes; E-Yes; R-No) [25-2401-[Edited 12/15/2025 by VG - to reflect addition of counsel] (Soffin, Rachel) [Entered: 10/09/2025 03:57 PM]
October 9, 2025 Filing 14 Filed Appendix by Appellant Laura Revolinsky. [14] [7479785] Paper copies due on 10/16/2025 [25-2401] (SK) [Entered: 10/09/2025 10:42 AM]
October 9, 2025 Filing 13 Appellant's brief filed by Appellant Laura Revolinsky. Paper copies due on 10/16/2025. REMINDER: If a case is designated to proceed to oral argument, hearing notices will be mailed shortly before the date of oral argument. Please note that counsel's unavailability for oral argument must be submitted by letter, filed electronically with the Clerk's Office, and should be made by no later than seven days after the filing of the appellee's brief. See Cir. R. 34(b)(3), (4). The court's calendar is located at https://www.ca7.uscourts.gov/cal/argcalendar.pdf. Once scheduled, oral argument is rescheduled only in extraordinary circumstances. See Cir. R. 34(b)(4), (e). [13] [7479783] [25-2401] (SK) [Entered: 10/09/2025 10:41 AM]
October 9, 2025 Filing 12 Submitted appellant brief by Bruce H. Nagel, Esq. for Appellant Laura Revolinsky. [12] NOTE: Access to this entry is limited to counsel of record. Once the document is approved by the court, it will be filed onto the court's docket as a separate entry which will be open to the public. [7479773] [25-2401] (Nagel, Bruce) [Entered: 10/09/2025 10:21 AM]
October 7, 2025 Opinion or Order Filing 11 ORDER re: Certified Class of Consumers of Seresto Flea & Tick Collars' motion to dismiss for failure to file a timely notice of appeal. [ # 10 ] The motion to dismiss is DENIED. This appeal is limited to review of the district courts July 25, 2025, order. JXK [11] [7479172] [25-2401] (CG) [Entered: 10/07/2025 08:36 AM]
October 3, 2025 Filing 10 Filed Non-Party Certified Class of Consumers of Seresto Flea & Tick Collars' Motion to Dismiss for Failure to File a Timely Notice of Appeal by Certified Class of Consumers. [7478794] [25-2401] (Williams, Michael) [Entered: 10/03/2025 03:38 PM]
September 5, 2025 Filing 9 Circuit Rule 26.1 Disclosure Statement and Appearance filed by Attorney Michael A. Williams for Not Party Plaintiffs' Co-Lead Counsel. for Judy Knudson. [9] [7472782] (L-Yes; E-Yes; R-No) [25-2401] [Edited 09/05/2025 by CG to reflect the addition of counsel.] (Williams, Michael) [Entered: 09/05/2025 09:50 AM]
August 26, 2025 Filing 8 Circuit Rule 26.1 Disclosure Statement and Appearance filed by Attorney John P. Mandler for Appellees Elanco Animal Health, Inc., Elanco U.S., Inc., Bayer Healthcare Animal Health, Inc., Bayer Corporation, Bayer U.S. LLC and Bayer HealthCare LLC. [8] [7470870] (L-Yes; E-Yes; R-No) [25-2401] (Mandler, John) [Entered: 08/26/2025 02:47 PM]
August 20, 2025 Filing 7 Circuit Rule 26.1 Disclosure Statement and Appearance filed by Attorney Michael Reese for Plaintiff Aitana Vargas. [7] [7469831] (L-Yes; E-Yes; R-No) [25-2401]--[Docket updated 08/20/2025 by JR to add Attorney Reese for Plaintiffs' Co-Lead Counsel.] (Reese, Michael) [Entered: 08/20/2025 12:10 PM]
August 18, 2025 Filing 6 Filed Seventh Circuit Transcript Information Sheet by Appellant Laura Revolinsky. [6] [7469359] [25-2401] (Nagel, Bruce) [Entered: 08/18/2025 11:12 AM]
August 15, 2025 Opinion or Order Filing 5 ORDER: Pursuant to Circuit Rule 33, briefing will proceed as follows: Appellant's brief due on or before 10/10/2025 for Laura Revolinsky. Appellees' brief due on or before 11/10/2025 for Bayer Corporation, Bayer HealthCare LLC, Bayer Healthcare Animal Health, Inc., Bayer U.S. LLC, Elanco Animal Health, Inc. and Elanco U.S., Inc.. Appellant's reply brief, if any, is due on or before 12/01/2025 for Appellant Laura Revolinsky. RJS [7469088] [25-2401] (AD) [Entered: 08/15/2025 09:45 AM]
August 15, 2025 Filing 4 Notice of Circuit Rule 33 mediation issued. The mediation will be conducted by phone, Wednesday, September 10, 2025 at 9:30 a.m. Central Time. See Notice for further details and requirements. RJS [4] [7469085] [25-2401] (AD) [Entered: 08/15/2025 09:40 AM]
August 13, 2025 Filing 3 Circuit Rule 26.1 Disclosure Statement and Appearance filed by Attorney Bruce H. Nagel, Esq. for Appellant Laura Revolinsky. [3] [7468650] (L-Yes; E-Yes; R-No) [25-2401] (Nagel, Bruce) [Entered: 08/13/2025 02:15 PM]
August 12, 2025 Filing 2 THIS CAUSE CONSISTS OF MORE THAN 5 PARTIES FOR EITHER SIDE. The following are those parties to this cause as reflected on the District Court docket, yet are not reflected on the Appellate docket/caption for administrative purposes: APPELLEES: Bayer AG and ABC Corp (1-100). [2] [7468569] [25-2401] (CG) [Entered: 08/13/2025 10:57 AM]
August 12, 2025 Filing 1 Private civil case docketed. Fee paid. Docketing statement filed. Transcript information sheet due by 08/26/2025. Appellant's brief due on or before 09/22/2025 for Laura Revolinsky. [1] [7468565] [25-2401] (CG) [Entered: 08/13/2025 10:45 AM]

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Search for this case: Laura Revolinsky v. Bayer Corporation, et al
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Plaintiff: LAURA REVOLINSKY
Represented By: Bruce H. Nagel
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Plaintiff: SERESTO FLEA AND TICK COLLARS
Represented By: Michael A. Williams
Represented By: Rachel Soffin
Represented By: Michael R. Reese
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Defendant: BAYER CORPORATION
Represented By: John P. Mandler
Represented By: Rachana N. Fischer
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Defendant: ELANCO ANIMAL HEALTH, INC.
Represented By: John P. Mandler
Represented By: Rachana N. Fischer
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Defendant: BAYER HEALTHCARE LLC
Represented By: John P. Mandler
Represented By: Rachana N. Fischer
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Defendant: BAYER U.S. LLC
Represented By: John P. Mandler
Represented By: Rachana N. Fischer
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Defendant: ELANCO U.S., INC.
Represented By: John P. Mandler
Represented By: Rachana N. Fischer
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Defendant: BAYER HEALTHCARE ANIMAL HEALTH, INC.
Represented By: John P. Mandler
Represented By: Rachana N. Fischer
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