Tadalafil Patent Expiration
Tadalafil is used for improving exercise ability in patients with Pulmonary Arterial Hypertension (PAH). It was first introduced by Eli Lilly And Co
Tadalafil Patents
Given below is the list of patents protecting Tadalafil, along with the drug name that holds that patent and the company name owning that drug.
| Drug Used in | Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Drug Owner |
|---|---|---|---|---|
| Tadliq | US11382917 | Liquid oral formulations for tadalafil | Dec 24, 2038 | Cmp Dev Llc |
| Tadliq | US11666576 | Liquid oral formulations for tadalafil | Dec 24, 2038 | Cmp Dev Llc |
| Tadliq | US11975006 | Liquid oral formulations for tadalafil | Dec 24, 2038 | Cmp Dev Llc |
| Tadliq | US12186322 | Liquid oral formulations for tadalafil | Dec 24, 2038 | Cmp Dev Llc |
| Adcirca |
US6821975 (Pediatric) | Beta-carboline drug products |
May 19, 2021
(Expired) | Eli Lilly Co |
| Cialis |
US6821975 (Pediatric) | Beta-carboline drug products |
May 19, 2021
(Expired) | Lilly |
| Adcirca | US6821975 | Beta-carboline drug products |
Nov 19, 2020
(Expired) | Eli Lilly Co |
| Cialis | US6821975 | Beta-carboline drug products |
Nov 19, 2020
(Expired) | Lilly |
| Adcirca |
US7182958 (Pediatric) | β-carboline pharmaceutical compositions |
Oct 26, 2020
(Expired) | Eli Lilly Co |
| Cialis |
US6943166 (Pediatric) | Compositions comprising phosphodiesterase inhabitors for the treatment of sexual disfunction |
Oct 26, 2020
(Expired) | Lilly |
| Cialis |
US7182958 (Pediatric) | β-carboline pharmaceutical compositions |
Oct 26, 2020
(Expired) | Lilly |
| Adcirca | US7182958 | β-carboline pharmaceutical compositions |
Apr 26, 2020
(Expired) | Eli Lilly Co |
| Cialis | US6943166 | Compositions comprising phosphodiesterase inhabitors for the treatment of sexual disfunction |
Apr 26, 2020
(Expired) | Lilly |
| Cialis | US7182958 | β-carboline pharmaceutical compositions |
Apr 26, 2020
(Expired) | Lilly |
| Adcirca |
US5859006 (Pediatric) | Tetracyclic derivatives; process of preparation and use |
May 21, 2018
(Expired) | Eli Lilly Co |
| Cialis |
US5859006 (Pediatric) | Tetracyclic derivatives; process of preparation and use |
May 21, 2018
(Expired) | Lilly |
| Adcirca | US5859006 | Tetracyclic derivatives; process of preparation and use |
Nov 21, 2017
(Expired) | Eli Lilly Co |
| Cialis | US5859006 | Tetracyclic derivatives; process of preparation and use |
Nov 21, 2017
(Expired) | Lilly |
| Cialis | US6140329 | Use of cGMP-phosphodiesterase inhibitors in methods and compositions to treat impotence |
Jul 11, 2016
(Expired) | Lilly |
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 Tadalafil's patents.
Latest Legal Activities on Tadalafil's Patents
Given below is the list recent legal activities going on the following patents of Tadalafil.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Email Notification Critical
| 06 Jun, 2023 | US11666576 |
| Mail Patent eGrant Notification | 06 Jun, 2023 | US11666576 |
| Patent Issue Date Used in PTA Calculation Critical
| 06 Jun, 2023 | US11666576 |
| Recordation of Patent Grant Mailed Critical
| 06 Jun, 2023 | US11666576 |
| Electronic Review Critical
| 06 Jun, 2023 | US11666576 |
| Recordation of Patent eGrant | 06 Jun, 2023 | US11666576 |
| Patent eGrant Notification | 06 Jun, 2023 | US11666576 |
| Email Notification Critical
| 18 May, 2023 | US11666576 |
| Electronic Review Critical
| 18 May, 2023 | US11666576 |
| Issue Notification Mailed Critical
| 17 May, 2023 | US11666576 |
Tadalafil's Family Patents
