Published
May 12, 2026
Updated
September 29, 2026
People in the United States who bought Elanco’s imidacloprid flea and tick topicals, such as K9 Advantix II and Advantage II, from Petco, PetSmart, Chewy, PetMed Express or Petsense between January 1, 2016 and September 17, 2026 may qualify for $10 per purchase from the $9.275 million Elanco and pet retailer antitrust class action settlement. The court granted preliminary approval on September 17, 2026; notice and the settlement website are due by January 8, 2027, and claims are due February 25, 2027.
Current Status
The court granted preliminary approval on September 17, 2026. The order certifies a nationwide settlement class, appoints Angeion Group as Settlement Administrator, and sets the schedule: notice to class members and the official settlement website are due by January 8, 2027, and the deadline to file a claim, opt out or object is February 25, 2027. The claim form is not available yet; it opens with the settlement website, and a claim will be required to get paid. The final approval hearing is set for April 1, 2027, and nobody is paid before the court grants final approval.Free settlement alerts
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Status
Preliminarily Approved
order entered September 17, 2026 · notice and claim form due by January 8, 2027
Claim Deadline
February 25, 2027
same date to opt out or object
Payment
$10 per Purchase
no receipts: up to $20 per pet and $40 per household · with proof: no cap · pro rata adjusted
Proof Required
No — for up to $40
valid proof of purchase only to claim more than the no-proof cap
What Changed?
When OCA first covered this case in May, the settlement existed only as reported deals with each defendant. It now has a court order. On May 11, 2026 the plaintiffs filed the Class Action Settlement Agreement and Release and moved for preliminary approval; the parties amended the agreement on August 27, 2026; and on September 17, 2026 the U.S. District Court for the Southern District of Indiana granted the unopposed motion in the consolidated cases Spradlin v. Elanco Animal Health, Inc., No. 1:24-cv-01299, and Kraus-Silfen v. Elanco Animal Health, Inc., No. 1:25-cv-00168.The order confirms the $9,275,000 total and how it splits: Elanco pays $6,750,000, Petco and PetSmart $700,000 each, Chewy $600,000, PetMed Express $275,000 and Petsense $250,000. It also replaces the guesswork the earlier version of this article had to do. The class period, the payment formula, the no-receipt option and every deadline are now set by the court, and the sections below reflect the order rather than estimates.
Elanco and the retailers deny the allegations. The court has not decided who is right, and the settlement is not an admission of liability.
Who Qualifies?
The Settlement Class is all persons in the United States who, from January 1, 2016 through September 17, 2026 (the date of the preliminary approval order), bought an Imidacloprid Product sold in the United States from a Pet Specialty Retailer. In plain terms:• The products are Elanco’s topical, squeeze-on flea and tick treatments for dogs and cats with imidacloprid as the active ingredient — the Advantix line the order describes, sold as K9 Advantix II and Advantage II. The settlement agreement’s definition of “Imidacloprid Product” controls, and the long-form notice will list the covered products.
• The retailers are the five named defendants: Chewy, Petco, PetSmart, PetMed Express and Petsense. Petsense is the Tractor Supply subsidiary the court names; whether a purchase at a Tractor Supply–branded store counts turns on the agreement’s definition of Pet Specialty Retailer, which the notice should spell out. Purchases from other stores, Amazon or a veterinarian are not purchases from a Pet Specialty Retailer.
• Online and in-store purchases both count; the order does not limit the class to either.
• Dogs and cats are both covered. K9 Advantix II is for dogs; Advantage II comes in dog and cat versions.
Excluded are the defendants and released parties and their officers, directors, employees, controlled entities and affiliates; government entities; Co-Lead Settlement Class Counsel; the judges on the case, their law clerks and their immediate families; and anyone who opts out. Plaintiffs told the court the class covers purchases of about 13.1 million units.
How Much Can You Get?
The settlement pays $10.00 for each qualifying purchase, with two tracks:• Without proof of purchase: $10 per purchase, capped at $20 per pet and $40 per household.
• With valid proof of purchase: $10 per purchase, with no cap.
The $10 figure is a starting point, not a promise. Payments come from the Net Settlement Fund — the $9.275 million minus attorneys’ fees and costs, service awards, and notice and administration costs. Class Counsel may ask for up to 35% of the fund, about $3.25 million, plus expenses, and the order notes service awards of $10,000 for each of the two lead plaintiffs. After claims are reviewed, the administrator totals up what everyone is owed. If that total exceeds the Net Settlement Fund, every payment is cut pro rata; if money is left over, every payment is raised pro rata until the fund is used up.
With purchases of about 13.1 million units in the class, the number of people who file — and how many of them file with receipts for many purchases — will decide whether the $10 holds. A no-receipt household that bought regularly for several years is capped at $40 before any adjustment; a buyer with a full order history from an online retailer can claim every purchase.
Do You Need Receipts?
No, not for the first $40. The no-proof track lets a household claim up to $40 ($20 per pet) without documentation. Proof matters only for claiming more than that. Online order histories are the easiest proof to recover: Chewy, PetMed Express, Petco and PetSmart accounts keep past orders, and loyalty programs often record in-store purchases. It is worth pulling that history now, before the claim form opens, if you bought more than a few doses.When Can You File, and What Are the Deadlines?
The court adopted this schedule in its September 17, 2026 order:• October 19, 2026: Defendants give the administrator customer contact and purchase data.
• January 8, 2027: Notice Date — notice to class members and the settlement website with the claim form.
• January 29, 2027: Class Counsel files its request for attorneys’ fees and service awards.
• February 25, 2027: Deadline to file a claim, opt out or object.
• March 18, 2027: Motion for final approval and responses to objections.
• April 1, 2027 at 2:00 p.m.: Final approval hearing at the federal courthouse in Indianapolis.
That leaves roughly seven weeks between the Notice Date and the claim deadline, shorter than many consumer settlements. The court can move these dates for good cause, so check the settlement website once it is live. Payments go out only after final approval and the end of any appeals; no payment date has been set.
What Else the Settlement Changes
Alongside the cash, the defendants agreed to practice changes aimed at the conduct the lawsuit challenged:• Elanco will not offer its Imidacloprid Exclusivity Discount for five years.
• Each retailer will not receive that discount from Elanco for five years (two years for Chewy).
• Each retailer will consider offering a competing imidacloprid topical made by another manufacturer for one year, if it has not already begun carrying one.
What Was the Elanco Lawsuit About?
Elanco makes the Advantix line of topical flea and tick treatments, which it acquired from Bayer in 2020. Plaintiffs allege that Elanco was the only seller of imidacloprid topicals from 2002 until true generics arrived in 2017, and that it then took two steps to protect its brand. First, it gave the pet specialty retailers a discount on its products in exchange for not selling generic imidacloprid topicals. Second, it set a minimum advertised price policy that, plaintiffs allege, kept the retailers from undercutting one another. The result, according to the complaint, was that pet owners paid higher prices for Advantix products than they would have with generic competition.The price gap at the heart of the case is visible in the original complaint: it cited a four-month supply of Tevra’s generic Activate II at about $27 on Amazon against about $54 for K9 Advantix II on Chewy, and a six-month supply of generic Actispot II for cats at about $30 against about $64 for Advantage II at PetSmart.
The case also carried real risk for consumers. The day after the first complaint was filed, a jury in a similar case brought by generic maker Tevra Brands against Bayer, Elanco’s predecessor for these products, returned a verdict for Bayer after finding that Tevra had not proven a relevant antitrust market. In October 2025, the court dismissed the federal Sherman Act claims here while letting state-law claims go forward. Plaintiffs’ damages expert put potential damages at $48.5 million to $72.3 million — the figure the $9.275 million settlement should be measured against, discounted by that litigation risk.
The Path From Complaint to Approval
• July 31, 2024: The first consumer complaint, Spradlin v. Elanco Animal Health, Inc., is filed in the Southern District of Indiana against Elanco alone.• January 2025: A second consumer case adds Chewy, Petco, PetSmart, PetMed Express and Tractor Supply/Petsense as defendants.
• October 2025: The court dismisses the federal Sherman Act claims but lets state antitrust claims proceed.
• February–March 2026: The defendants settle one by one, starting with Chewy.
• May 11, 2026: The settlement agreement is signed and the motion for preliminary approval filed.
• August 27, 2026: The parties amend the settlement agreement.
• September 17, 2026: The court grants preliminary approval and sets the schedule above.
What Pet Owners Should Do Now
• Gather purchase history. Download past orders from Chewy, PetMed Express, Petco or PetSmart accounts and check loyalty-program records. Proof is what lets you claim beyond $40.• Watch your email and mail around January 2027. The defendants are handing customer contact and purchase data to Angeion, so direct notice is likely for people the retailers can identify.
• Use only the official site. The claim form will be on the settlement website Angeion launches. No legitimate settlement charges a fee to file. OCA will add the official link to this page as soon as it is live.
Questions
Who qualifies for the Elanco flea and tick settlement?
All persons in the United States who, from January 1, 2016 through September 17, 2026, bought an Elanco imidacloprid topical flea and tick product, such as K9 Advantix II or Advantage II, from a Pet Specialty Retailer: Chewy, Petco, PetSmart, PetMed Express or Petsense. Online and in-store purchases both count, and both dog and cat products are covered. The defendants, their employees and affiliates, government entities, class counsel and the judges on the case are excluded.
How much will the Elanco settlement pay?
$10 per qualifying purchase. Without proof of purchase, claims are capped at $20 per pet and $40 per household; with valid proof of purchase there is no cap. All payments are adjusted pro rata — down if claims exceed the Net Settlement Fund, up if money is left over — after attorneys’ fees of up to 35%, service awards and administration costs are paid from the $9.275 million fund.
Do I need receipts to file an Elanco settlement claim?
No, not for up to $40 per household ($20 per pet). Valid proof of purchase is needed only to claim more than that no-proof cap. Online order histories from Chewy, PetMed Express, Petco or PetSmart and loyalty-program records are the easiest proof to gather.
When can I file an Elanco settlement claim, and what is the deadline?
Not yet. The court’s schedule calls for notice and the settlement website with the claim form by January 8, 2027. The deadline to file a claim, opt out or object is February 25, 2027, and the final approval hearing is April 1, 2027.
Is Seresto covered by the Elanco settlement?
No. The class covers purchases of Elanco’s imidacloprid topical flea and tick treatments, such as K9 Advantix II and Advantage II, from the named pet specialty retailers. The Seresto collar is not a covered purchase. A separate case over Seresto collars is tracked on its own OCA page.
What else does the Elanco settlement require?
Elanco will not offer its imidacloprid exclusivity discount for five years, the retailers will not receive it for five years (two years for Chewy), and each retailer will consider carrying a competing imidacloprid topical from another manufacturer for one year if it does not already.
Original Class Action Complaint
Sources
• Order Granting Unopposed Motion for Preliminary Class Approval, Dkt. 275, entered September 17, 2026, in Kraus-Silfen v. Elanco Animal Health, Inc., No. 1:25-cv-00168, and Spradlin v. Elanco Animal Health, Inc., No. 1:24-cv-01299 (S.D. Ind.) — class definition, payment formula, defendant contributions, practice changes, administrator and schedule• Spradlin v. Elanco Animal Health, Inc., Class Action Complaint filed July 31, 2024 (embedded above)
• Elanco Animal Health, Form 10-Q for the quarter ended June 30, 2026 — settlement in principle reached February 18, 2026, subject to court approval
• The Indiana Lawyer, reporting on the defendant-by-defendant settlements (2026)
• Federal Trade Commission, Competition in the Pet Medications Industry: Prescription Portability and Distribution Practices (May 2015)
About OCA News Coverage
This article is general news reporting about an antitrust class action settlement, not legal advice. OpenClassActions.com is not the Settlement Administrator or a law firm and does not process or decide claims. The court’s orders, the long-form notice and the settlement agreement control eligibility, payments and deadlines.
For more class actions keep scrolling below.
Settlement Amount
$9,275,000
Elanco $6.75M · Petco $700K · PetSmart $700K · Chewy $600K · PetMed Express $275K · Petsense $250K
Case Title
Spradlin v. Elanco Animal Health, Inc.; Kraus-Silfen v. Elanco Animal Health, Inc., et al.
Case Number
1:24-cv-01299 and 1:25-cv-00168
Court
U.S. District Court for the Southern District of Indiana
Final Approval Hearing
April 1, 2027 at 2:00 PM
Federal courthouse, Indianapolis
Administrator
Angeion Group
Official Website
Not yet launched — due by January 8, 2027
