Liquidia Technologies, Inc.
5 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 3 name spellings.
13
Ending by 2030
Dec 2026
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 30, 2026The maintenance fee for Dry Powder Treprostinil for the Treatment of Pulmonary Hypertension (US 11,660,304) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
- 1 fee due Feb 1, 2027The maintenance fee for Dry Powder Treprostinil for the Treatment of Pulmonary Hypertension (US 11,712,442) comes due Feb 1, 2027. Unpaid by Aug 2, 2027, it lapses early.
- 2 fees due Mar 5, 2027
- 1 fee due Jun 8, 2027The maintenance fee for Method for Producing Patterned Materials (US 9,205,594) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
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 8,439,666 | Methods and Materials for Fabricating Laminate Nanomolds and Nanoparticles Therefrom In force · High confidence | In force | High confidence | |
| US 8,662,878 | Methods and Materials for Fabricating Laminate Nanomolds and Nanoparticles Therefrom In force · High confidence | In force | High confidence | |
| US 8,945,441 | Methods and Materials for Fabricating Laminate Nanomolds and Nanoparticles Therefrom In force · High confidence | In force | High confidence | |
| US 9,340,001 | Methods and Materials for Fabricating Laminate Nanomolds and Nanoparticles Therefrom In force · High confidence | In force | High confidence | |
| US 9,662,809 | Methods and Materials for Fabricating Laminate Nanomolds and Nanoparticles Therefrom In force · High confidence | In force | High confidence | |
| US 10,717,209 | Methods and Materials for Fabricating Laminate Nanomolds and Nanoparticles Therefrom In force · High confidence | In force | High confidence | |
| US 9,314,548 | Nanostructured Surfaces for Biomedical/Biomaterial Applications and Processes Thereof In force · High confidence | In force | High confidence | |
| US 8,128,393 | Methods and Materials for Fabricating Laminate Nanomolds and Nanoparticles Therefrom In force · High confidence | In force | High confidence | |
| US 7,976,759 | System and Method for Producing Particles and Patterned Films In force · High confidence | In force | High confidence | |
| US 8,518,316 | System and Method for Producing Particles and Patterned Films In force · High confidence | In force | High confidence |
Also on record, not counted in the 20: 5 patents in force now held by others · 1 ended at full term. 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 · 6 abandoned · 15 no status recorded