Persyst Development Corporation
6 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 2 name spellings.
0
Ending by 2030
Nov 2031
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 Dec 16, 2026The maintenance fee for User Interface for Artifact Removal in an Eeg (US 9,055,927) comes due Dec 16, 2026. Unpaid by Jun 16, 2027, it lapses early.
- 1 fee due Apr 30, 2027The maintenance fee for Apparatus And Product Of Manufacture For Generating A Probability Value For An Event (US 11,803,753) comes due Apr 30, 2027. Unpaid by Nov 1, 2027, it lapses early.
- 1 fee due Jun 30, 2027The maintenance fee for User Interface For Artifact Removal In An EEG (US 10,517,541) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 1 fee due Jul 12, 2027The maintenance fee for User Interface For Artifact Removal In An EEG (US 9,232,922) comes due Jul 12, 2027. Unpaid by Jan 12, 2028, 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 10,517,541 | User Interface For Artifact Removal In An EEG In force · High confidence | In force | High confidence | |
| US 9,232,922 | User Interface For Artifact Removal In An EEG In force · High confidence | In force | High confidence | |
| US 10,022,091 | User Interface For Artifact Removal In An EEG In force · High confidence | In force | High confidence | |
| US 8,666,484 | Method and System for Displaying Eeg Data In force · High confidence | In force | High confidence | |
| US 8,972,001 | Method and system for displaying data In force · From the USPTO record | In force | From the USPTO record | |
| US 9,055,927 | User Interface for Artifact Removal in an Eeg In force · High confidence | In force | High confidence | |
| US 11,317,871 | Method and system for detecting and removing EEG artifacts In force · From the USPTO record | In force | From the USPTO record | |
| US 12,616,421 | System And Method For Generating A Probability Value For An Epileptiform Abnormality by Neural Network to Identify Signal Spikes In force · Medium confidence | In force | Medium confidence | |
| US 10,929,753 | System and method for generating a probability value for an event In force · From the USPTO record | In force | From the USPTO record | |
| US 11,803,753 | Apparatus And Product Of Manufacture For Generating A Probability Value For An Event In force · Low confidence | In force | Low confidence |
Also on record, not counted in the 12: 6 patents in force now held by others · 2 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.
2 pending · 1 abandoned · 9 no status recorded