2 patents currently held
62 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.
The next term ends in Oct 2037. from the record
Of the 62 now held by other companies, 62 name Stratasys Inc. as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Oct 2037
Next term end
2
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.
Notable
Ends Oct 2037 · High confidence
Also notable
Ends Feb 2038 · High confidence
Fertilizer Composition
US 11,591,271
Granted 2023. Computed term ends 2037.
Fertilizer Composition Comprising a Zeolite and Basic L-Amino Acid
US 12,545,631
Granted 2026. Too new for citation comparison; protection runs to 2038.
Formerly held, still cited
Notable
Ends Jun 2037 · High confidence
Cited by 32 later US patents, top 5% of utility patents granted in 2021 in our data. Protection runs to 2037. A terminal disclaimer caps this term to an earlier patent's.
now held by Stratasys, Inc.
Also notable
Ends no later than Feb 2034 · Low confidence
Cited by 135 later US patents, top 5% of utility patents granted in 2018 in our data, and renewed at every maintenance window due so far. Protection runs to 2034. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.
now held by Stratasys, Inc.
Also notable
Ends Aug 2036 · High confidence
Cited by 32 later US patents, top 10% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2036.
now held by Stratasys, Inc.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 2 terms have ended since Aug 16, 2026
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Fertilizer Composition Comprising a Zeolite and Basic L-Amino Acid | 1 in force | to Feb 2038 |
| Fertilizer Composition | 1 in force | to Oct 2037 |
Patents held now
Soonest term end first.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,591,271 | Fertilizer Composition held by Arevo AB In force · High confidence | In force | High confidence | |
| US 12,545,631 | Fertilizer Composition Comprising a Zeolite and Basic L-Amino Acid held by Arevo AB In force · High confidence | In force | High confidence |
Also on record, not counted in the 2: 62 patents in force now held by others · 5 patents ended · 2 applications pending · 26 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
1 terminal disclaimer is on file with no resolved reference. No cap is applied and none is guessed