Thinkfree Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Oct 2036
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 4, 2026The maintenance fee for Apparatus for supporting cooperation for joint editing of electronic document, and method of operating the same (US 10,310,716) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
- 1 fee due May 26, 2027The maintenance fee for Document collaboration apparatus for supporting simultaneous editing of styles for objects and operating method thereof (US 10,489,495) comes due May 26, 2027. Unpaid by Nov 26, 2027, it lapses early.
- 1 fee due Sep 30, 2027The maintenance fee for Web-based electronic document service apparatus capable of authenticating document editing and operating method thereof (US 10,607,001) comes due Sep 30, 2027. Unpaid by Mar 31, 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.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,310,716 | Apparatus for supporting cooperation for joint editing of electronic document, and method of operating the same In force · From the USPTO record | In force | From the USPTO record | |
| US 11,093,705 | Apparatus and method of verifying simultaneous edit match for markup language-based document In force · From the USPTO record | In force | From the USPTO record | |
| US 10,489,495 | Document collaboration apparatus for supporting simultaneous editing of styles for objects and operating method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 11,409,706 | Document cooperation supporting apparatus for supporting simultaneous edit of document, and operating method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,607,001 | Web-based electronic document service apparatus capable of authenticating document editing and operating method thereof In force · From the USPTO record | In force | From the USPTO record |
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.