Zepbound is a drug owned by Eli Lilly And Co. It is protected by 8 US drug patents filed from 2024 to 2026 out of which none have expired yet. Zepbound's patents have been open to challenges since 13 May, 2026. Based on its patents and exclusivities, its generic launch date is estimated to be Jul 22, 2039. Details of Zepbound's patents and their expiration are given in the table below.
| Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Status |
|---|---|---|---|
| These drug patents protect the active ingredient(API) of the drug. Only drug patent owner can launch products that use this active ingredient until these patents expire. | |||
| US9474780 | GIP and GLP-1 co-agonist compounds |
May, 2036
(9 years from now) | Active |
| These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc). | |||
| US12343382 | Methods Of Using A Gip/Glp1 Co-Agonist For Therapy |
Jul, 2039
(12 years from now) | Active |
| US12453758 | Method Of Using A Gip/Glp1 Co-Agonist For Diabetes |
Jul, 2039
(12 years from now) | Active |
| US12616740 | Methods Of Using A Gip/Glp1 Co-Agonist For Therapy |
Jul, 2039
(12 years from now) | Active |
| US11357820 | GIP/GLP1 agonist compositions |
Jun, 2039
(12 years from now) | Active |
| US11918623 | GIP/GLP1 agonist compositions |
Jun, 2039
(12 years from now) | Active |
| US12453756 | Gip/Glp1 Agonist Compositions |
Jun, 2039
(12 years from now) | Active |
| US12629404 | Gip/Glp1 Agonist Compositions |
Jun, 2039
(12 years from now) | Active |
A patent's expiry date may change depending upon legal activities going on that patent. Critical
activities like
abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease
the life of a
patent hence affecting its expiry date and in turn affecting the generic launch date of that drug.
Tracking these
ongoing activities on a patent application helps to keep an eye on the latest developments in the
patent process of
the drug which can give an idea of how early a drug's generic could be available. The next section
provides a list of
recent legal activities on Zepbound's patents.
Latest Legal Activities on Zepbound's Patents
Given below is the list of recent legal activities going on the following patents of Zepbound.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Email Notification | 25 Nov, 2025 | US12343382 |
| Recordation of Patent eCertificate of Correction | 25 Nov, 2025 | US12343382 |
| Patent eCofC Notification | 25 Nov, 2025 | US12343382 |
| Mail Patent eCofC Notification | 25 Nov, 2025 | US12343382 |
| Payment of Maintenance Fee, 4th Year, Large Entity | 19 Nov, 2025 | US11357820 |
| Notice of Final Determination -Eligible | 14 Nov, 2025 | US9474780 |
| Recordation of Patent Grant Mailed | 04 Nov, 2025 | US12453756 |
| Recordation of Patent Grant Mailed | 04 Nov, 2025 | US12453758 |
| Post Issue Communication - Certificate of Correction | 03 Nov, 2025 | US12343382 |
| Email Notification | 28 Oct, 2025 | US12453756 |
While patent expiration is one way of estimating the generic date of a drug, if a patent gets
invalidated somehow, the
generic of the drug may arrive early. Being aware of all relevant patents can help in avoiding legal
pitfalls. Given
below are details of the litigation history of Zepbound and ongoing
litigations to
help you estimate the early arrival of Zepbound generic.
Zepbound's Litigations
Zepbound been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on May 22, 2025, against patent number US9474780. The petitioner Empower Clinic Services, LLC. (d/b/a Empower Pharmacy), challenged the validity of this patent, with Eli Lilly & Co. as the respondent. Click below to track the latest information on how companies are challenging Zepbound's patents.
| Patent | Proceeding Filing Date | Status | Respondent | Petitioner |
|---|---|---|---|---|
 | ||||
| US9474780 | August, 2025 |
Discretionary Denial
(11 Dec, 2025) | Eli Lilly & Co. | BPI Labs, LLC et al. |
| US9474780 | May, 2025 |
Discretionary Denial
(10 Oct, 2025) | Eli Lilly & Co. | Empower Clinic Services, LLC. (d/b/a Empower Pharmacy) |
FDA has granted some exclusivities to Zepbound. Till the time these
exclusivities are
active, no other company can market a generic or bioequivalent version of Zepbound,
regardless of the status of it's patents. These exclusivities hence play a crucial role in delaying
the generic
launch. Given below are details of the exclusivities granted to
Zepbound.
Exclusivity Information
Zepbound holds 3 exclusivities out of which none have expired. Its last outstanding exclusivity is set to expire in 2027. Details of Zepbound's exclusivity codes and their expiration dates are given below.
| Drug Exclusivity | Drug Exclusivity Expiration |
|---|---|
| New Chemical Entity Exclusivity(NCE) | May 13, 2027 |
| M(M-82) | Oct 18, 2027 |
| New Indication(I-958) | Dec 20, 2027 |
US patents provide insights into the exclusivity only within the United States, but
Zepbound is protected by patents in multiple countries.
Understanding
the full scope
of patent protection is crucial in strategizing market entry. By looking at the broader patent
landscape, you can
identify markets with weaker patent protection which could be ideal generic entry points. The
following section offers
details on Zepbound's family patents as well as insights into
ongoing legal events
on those patents.
Zepbound's Family Patents
Explore Our Curated Drug Screens
Clinical Trials
Recent Clinical Trials on Zepbound:
Sometimes companies keep conducting clinical trials even after the drug's approval to discover new formulations, methods of use, or new treatment indications, so they could file for additional patents or receive regulatory exclusivity extensions, such as pediatric exclusivity, potentially delaying generic competition. Based on these recent clinical trials, generic companies need to consider the potential for new intellectual property or regulatory hurdles. These strategic moves by the drug owner might delay generic substitution or lead to additional sales of the brand drug, even after patent expiry. Zepbound(Tirzepatide) has 8 clinical trials that have been verified in 2024. Out of these 8, 1 trial is in PHASE4.
Generic Launch
Generic Release Date:
Zepbound's generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Jul 22, 2039 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)
Zepbound Generics:
There are no approved generic versions for Zepbound as of now.
Alternative Brands for Zepbound
There are several other brand drugs in the same treatment category and using the same active ingredient (Tirzepatide) as Zepbound. Given below is the list of those companies and their brand drugs, to help you identify new opportunities, assess competitors, and plan your market strategies more effectively.
| Drug Owner | Drug Name | Treatment Area | ||
|---|---|---|---|---|
| Eli Lilly And Co |
| |||
Apart from drugs working in same treatment category, there are also some brand drugs where treatment area is different, but the active ingredient used is same i.e. Tirzepatide. Given below is the list of those drugs and companies owning them.
| Drug Owner | Drug Name | ||||
|---|---|---|---|---|---|
| Eli Lilly And Co |
|
About Zepbound
Zepbound is a drug owned by Eli Lilly And Co. Zepbound uses Tirzepatide as an active ingredient. Zepbound was launched by Eli Lilly in 2024.
Approval Date:
Zepbound was approved by FDA for market use on 28 March, 2024.
NCE-1 date:
NCE-1 date also known as the four year date occurs four years after the original drug approval and marks the first opportunity for a generic manufacturer to file an ANDA with a Paragraph IV certification. This is the earliest point when generic competition might begin, provided the challenge is successful. Since the approval date for Zepbound is 28 March, 2024, its NCE-1 date is estimated to be 13 May, 2026.
Active Ingredient:
Zepbound uses Tirzepatide as the active ingredient. Check out other Drugs and Companies using Tirzepatide ingredient
Dosage:
Zepbound is available in solution form for subcutaneous use. Given below is detailed information on Dosage -
| Strength | Dosage Form | Availability | Application Pathway |
|---|---|---|---|
| 10MG/2.4ML (4.17MG/ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 60MG/2.4ML (25MG/ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 5MG/0.5ML (5MG/0.5ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 10MG/0.5ML (10MG/0.5ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 30MG/2.4ML (12.5MG/ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 20MG/2.4ML (8.33MG/ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 15MG/0.5ML (15MG/0.5ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 7.5MG/0.5ML (7.5MG/0.5ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 2.5MG/0.5ML (2.5MG/0.5ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 12.5MG/0.5ML (12.5MG/0.5ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 40MG/2.4ML (16.7MG/ML) | SOLUTION | Prescription | SUBCUTANEOUS |
| 50MG/2.4ML (20.8MG/ML) | SOLUTION | Prescription | SUBCUTANEOUS |