Term ends Jan 3, 2027 · High confidence
20-year base term ended Aug 4, 2024
Held by Micronic Laser Systems AB
Filed Aug 4, 2004 as application 10/911,218 · Granted Aug 12, 2008
Base term plus 882 days of patent term adjustment (USPTO delay)
Today
2004
2027
Clock starts
Aug 4, 2004
Aug 4, 2004
Term ends
Jan 3, 2027
Jan 3, 2027
Granted
Aug 12, 2008
Aug 12, 2008
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
882
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
This patent's term runs 882 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Aug 4, 2004, when this application, 10/911,218, was filed | Aug 4, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +882 days, USPTO patent term adjustment record | Jan 3, 2027 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 3, 2027 | High confidence |
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 19, 2004 Reel 15395, frame 380 | Ostrom, Thomas; Zerne, Raoul | Micronic Laser Systems AB | Assignment of Assignor's Interest |
| Nov 12, 2008 Reel 21817, frame 782 | Micronic Laser Systems AB | ASML Netherlands B.V. | License |
| Nov 12, 2008 Reel 21820, frame 822 | Micronic Laser Systems AB | ASML Netherlands B.V. | Patent Pledge Agreement |
| Jun 17, 2009 Reel 22824, frame 979 | Micronic Laser Systems AB | ASML Netherlands B.V. | Release of Patent Pledge Agreement |
| Jun 17, 2009 Reel 22835, frame 217 | Micronic Laser Systems AB | ASML Netherlands B.V. | Release of License Agreement |
| Jul 8, 2009 Reel 22917, frame 810 | ASML Netherlands B.V. | Micronic Laser Systems AB (publ) | Termination of License Agreement |
| Jul 8, 2009 Reel 22925, frame 52 | ASML Netherlands B.V. | Micronic Laser Systems AB (publ) | Release of Patent Pledge Agreement |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jan 2027
Term ends Jan 3, 2027. No further fees fall due before then
Note
The 882 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above the median of utility patents granted in 2008 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.