Laurus Labs Limited
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as Laurus Labs Private Limited (to 2017)
3
Ending by 2030
Jul 2028
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Nov 28, 2026The maintenance fee for Process for the preparation of dolutegravir and pharmaceutically acceptable salts thereof (US 10,301,321) comes due Nov 28, 2026. Unpaid by May 28, 2027, it lapses early.
- 1 fee due Dec 16, 2026The maintenance fee for Process for the preparation of tenofovir (US 9,056,882) comes due Dec 16, 2026. Unpaid by Jun 16, 2027, it lapses early.
- 2 fees due Jan 7 to 30, 2027 · next Jan 7
- 3 fees due Apr 1 to 13, 2027 · next Apr 1
- 1 fee due Jul 28, 2027The maintenance fee for Process for preparation of Darunavir (US 10,544,157) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
- 1 fee due Sep 24, 2027The maintenance fee for Polymorphs of dolutegravir and salts thereof (US 10,597,404) comes due Sep 24, 2027. Unpaid by Mar 24, 2028, it lapses early.
- 1 fee due Oct 21, 2027The maintenance fee for Process for the preparation of enzalutamide (US 10,626,091) comes due Oct 21, 2027. Unpaid by Apr 21, 2028, it lapses early.
- 1 fee due Nov 12, 2027The maintenance fee for Polymorphs of dolutegravir and salts thereof (US 10,647,729) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.
Recent changes
- 4 terms have ended since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,156,756 | Efficient Process to Induce Enantioselectivity in Procarbonyl Compounds In force · High confidence | In force | High confidence | |
| US 9,073,817 | Efficient process to induce enantioselectivity in procarbonyl compounds In force · From the USPTO record | In force | From the USPTO record | |
| US 8,524,782 | Key Intermediate for the Preparation of Stilbenes, Solid Forms of Pterostilbene, and Methods for Making the Same In force (reinstated) · High confidence | In force (reinstated) | High confidence | |
| US 8,399,712 | Pterostilbene Cocrystals In force (reinstated) · High confidence | In force (reinstated) | High confidence | |
| US 9,156,885 | Process for preparing eptifibatide In force · From the USPTO record | In force | From the USPTO record | |
| US 9,056,882 | Process for the preparation of tenofovir In force · From the USPTO record | In force | From the USPTO record | |
| US 8,987,525 | Process for the Preparation of Polyhydroxystilbene Compounds by Deprotection of the Corresponding Ethers In force · High confidence | In force | High confidence | |
| US 10,544,157 | Process for preparation of Darunavir In force · From the USPTO record | In force | From the USPTO record | |
| US 10,214,538 | Process for Preparation of Darunavir In force · Medium confidence | In force | Medium confidence | |
| US 10,301,321 | Process for the preparation of dolutegravir and pharmaceutically acceptable salts thereof In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 27: 1 patent in force now held by others · 39 lapsed for an unpaid fee. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
1 pending · 1 abandoned · 3 no status recorded