Methods for commercial production of heterologous laccase in plant tissue and extraction of the laccase from plant seed
US 7,071,384 Lapsed on the fee recordLapsed Jul 4, 2018 on the fee record · From the USPTO record
20-year base term ended Mar 20, 2017
Third maintenance fee unpaid; grace period ended.
Mar 20, 1997
Jul 4, 2018
Jul 4, 2006
Sep 18, 2018
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 20, 1997, when the earliest non-provisional application in its chain was filed (this one was filed Jun 6, 2002); a parent in its chain could not be resolved (the next row) | Mar 20, 2017 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +547 days, USPTO patent term adjustment record | Sep 18, 2018 | 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 | 2 of 3 maintenance fees paid | lapsed Jul 4, 2018 | High confidence |
| Computed term end | The steps above, in order | Jul 4, 2018 | From the USPTO record |
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.