15 patents currently held
18 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 Jul 2027. from the record
Of the 18 now held by other companies, 10 name PSIP2 LLC as their current owner, and 8 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
4
Ending by 2030
Jul 2027
Next term end
9
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
Notable
Ends Jul 2027 · High confidence
Also notable
Ends Aug 2034 · High confidence
Also notable
Ends Oct 2029 · High confidence
Anti-Extravasation Sheath
US 8,123,676
The most cited patent in this portfolio, cited by 43 later US patents, top 25% of utility patents granted in 2012 in our data. Protection runs to 2027.
Arthroscopic Flexible Portal Cannula Device and Delivery System
US 9,675,379
Cited by 17 later US patents, top 25% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2034.
Anti-Extravasation Catheter
US 8,357,126
Renewed at every maintenance window since the 2013 grant; no more fees are due before its term ends in 2029.
Formerly held, still cited
Notable
Ends Feb 2032 · High confidence
Cited by 69 later US patents, top 5% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2032.
now held by PSIP2 LLC
Also notable
Ends Jul 2027 · High confidence
The most cited patent in this portfolio, cited by 119 later US patents, top 5% of utility patents granted in 2009 in our data. Protection runs to 2027.
now held by PSIP2 LLC
Also notable
Ends Oct 2031 · High confidence
Cited by 27 later US patents, top 10% of utility patents granted in 2019 in our data. Protection runs to 2031.
now held by Smith & Nephew, Inc.
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 Feb 22, 2027The maintenance fee for Arthroscopic Cannula And Suture Management System (US 11,730,468) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
- 1 fee due Mar 19, 2027The maintenance fee for Method of Using Sealants in a Gas Arthroscopy Procedure (US 11,759,582) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
- 1 fee due Aug 13, 2027The maintenance fee for Arthroscopic Cannula and Suture Management System (US 11,896,213) comes due Aug 13, 2027. Unpaid by Feb 14, 2028, it lapses early.
Recent changes
- 5 terms have ended since Aug 16, 2026
What they patent
The 5 largest of its 9 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Arthroscopic Flexible Portal Cannula Device and Delivery System | 5 in force | to Jan 2035 |
| Arthroscopic Cannula and Suture Management System | 3 in force | to Sep 2041 |
| Method of Using Sealants in a Gas Arthroscopy Procedure | 1 in force | to Jul 2041 |
| Anti-Extravasation Catheter | 1 in force | to Oct 2029 |
| Extravasation Minimization Device | 1 in force | to Jan 2029 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,123,676 | Anti-Extravasation Sheath In force · High confidence | In force | High confidence | |
| US 7,575,565 | Extravasation Minimization Device In force · High confidence | In force | High confidence | |
| US 8,025,648 | Extravasation Minimization Device In force · High confidence | In force | High confidence | |
| US 8,357,126 | Anti-Extravasation Catheter In force · High confidence | In force | High confidence | |
| US 10,085,768 | Arthroscopic Flexible Portal Cannula Device and Delivery System In force · High confidence | In force | High confidence | |
| US 10,813,666 | Arthroscopic Flexible Portal Cannula Device and Delivery System In force · High confidence | In force | High confidence | |
| US 12,121,262 | Arthroscopic Flexible Portal Cannula Device and Delivery System In force · High confidence | In force | High confidence | |
| US 9,675,379 | Arthroscopic Flexible Portal Cannula Device and Delivery System In force · High confidence | In force | High confidence | |
| US 11,596,440 | Arthroscopic Flexible Portal Cannula Device and Delivery System In force · Medium confidence | In force | Medium confidence | |
| US D879,951 | Arthroscopic Cannula In force · High confidence | In force | High confidence |
Also on record, not counted in the 15: 18 patents in force now held by others · 41 patents ended · 7 applications pending · 17 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.