Lidocaine Patent Expiration
Lidocaine is Used for managing pain associated with post-herpetic neuralgia. It was first introduced by Astrazeneca Lp
Lidocaine Patents
Given below is the list of patents protecting Lidocaine, 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 |
|---|---|---|---|---|
| Ztlido | US10765640 | Non-aqueous patch | May 10, 2031 | Scilex Pharms |
| Ztlido | US10765749 | Non-aqueous patch | May 10, 2031 | Scilex Pharms |
| Ztlido | US11278623 | Non-aqueous patch | May 10, 2031 | Scilex Pharms |
| Ztlido | US11786455 | Non-aqueous patch | May 10, 2031 | Scilex Pharms |
| Ztlido | US11793766 | Non-aqueous patch for the relief of pain | May 10, 2031 | Scilex Pharms |
| Ztlido | US9283174 | Non-aqueous patch | May 10, 2031 | Scilex Pharms |
| Ztlido | US9925264 | Non-aqueous patch | May 10, 2031 | Scilex Pharms |
| Ztlido | US9931403 | Non-aqueous patch | May 10, 2031 | Scilex Pharms |
| Lidoderm | US5827529 | External preparation for application to the skin containing lidocaine |
Oct 27, 2015
(Expired) | Teikoku Pharma Usa |
| Lidoderm | US5741510 | Adhesive patch for applying analgesic medication to the skin |
Mar 30, 2014
(Expired) | Teikoku Pharma Usa |
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 Lidocaine's patents.
Latest Legal Activities on Lidocaine's Patents
Given below is the list recent legal activities going on the following patents of Lidocaine.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 4th Year, Large Entity | 10 Sep, 2025 | US11278623 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 10 Sep, 2025 | US9925264 |
| Email Notification | 10 Jan, 2025 | US11793766 |
| Change in Power of Attorney (May Include Associate POA) | 10 Jan, 2025 | US11278623 |
| Change in Power of Attorney (May Include Associate POA) | 10 Jan, 2025 | US10765749 |
| Email Notification | 10 Jan, 2025 | US11278623 |
| Email Notification | 10 Jan, 2025 | US11786455 |
| Change in Power of Attorney (May Include Associate POA) | 10 Jan, 2025 | US11786455 |
| Email Notification | 10 Jan, 2025 | US10765749 |
| Change in Power of Attorney (May Include Associate POA) | 10 Jan, 2025 | US11793766 |
Lidocaine's Family Patents
