Multi-Beam Inspection Methods and Systems
US 11,462,380 Surrendered on reissueSurrendered on reissue Nov 3, 2026 · High confidence
20-year base term ends Jul 3, 2039
Surrendered on reissue Nov 3, 2026 · its term and maintenance fees continue in US RE51,107.
Jul 3, 2019
Nov 3, 2026
Oct 4, 2022
Jul 3, 2039
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jul 3, 2019, when the earliest non-provisional application in its chain was filed (this one was filed Feb 8, 2021) | Jul 3, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 1 of 3 maintenance fees paid | no change | High confidence |
| Reissue | US RE51,107 issued Nov 3, 2026, and this patent's term continues in it (35 U.S.C. 251, 252) | surrendered Nov 3, 2026 | High confidence |
| Surrendered on reissue | The steps above, in order | Nov 3, 2026 | High confidence |
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.
Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.
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.