ConvaTec Technologies Inc.

118 patents currently held · Updated Nov 14, 2026

19 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.

Recorded under 4 name spellings.

Ending by 2030

Nov 2026

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

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 Nov 21, 2026
The maintenance fee for Pressure Sensitive Adhesives with Amphiphilic Copolymers (US 10,294,317) comes due Nov 21, 2026. Unpaid by May 21, 2027, it lapses early.
1 fee due Dec 20, 2026
The maintenance fee for Perforated chamber ostomy wafers, ostomy devices including the same, and methods of applying ostomy wafers and ostomy devices (US 11,679,020) comes due Dec 20, 2026. Unpaid by Jun 21, 2027, it lapses early.
3 fees due Jan 7 to 16, 2027 · next Jan 7
2 fees due Feb 8 to 28, 2027 · next Feb 8
1 fee due Mar 10, 2027
The maintenance fee for Rectal Drain Appliance (US 10,406,277) comes due Mar 10, 2027. Unpaid by Sep 10, 2027, it lapses early.
1 fee due Apr 22, 2027
The maintenance fee for Moldable Adhesive Wafers (US 10,449,082) comes due Apr 22, 2027. Unpaid by Oct 22, 2027, it lapses early.
3 fees due May 7 to 19, 2027 · next May 7
1 fee due Jun 17, 2027
The maintenance fee for Self-closing bag connector (US 10,507,318) comes due Jun 17, 2027. Unpaid by Dec 17, 2027, it lapses early.
4 fees due Jul 9 to 30, 2027 · next Jul 9
4 fees due Aug 6 to 16, 2027 · next Aug 6
2 fees due Sep 3 to 17, 2027 · next Sep 3
1 fee due Oct 16, 2027
The maintenance fee for Urine collection bags for use with catheter products, kits incorporating the same, and methods therefor (US 11,957,614) comes due Oct 16, 2027. Unpaid by Apr 17, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 16, 2026
5 terms have ended since Aug 16, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US 8,217,221	Controlled Evacuation Ostomy Appliance In force Term ends Nov 27, 2026 · High confidence	In force	Term ends Nov 27, 2026	High confidence
US 9,545,390	Antimicrobial Composition In force Term ends Dec 14, 2026 · High confidence	In force	Term ends Dec 14, 2026	High confidence
US 10,493,101	Antimicrobial Composition In force Term ends Dec 14, 2026 · High confidence	In force	Term ends Dec 14, 2026	High confidence
US 9,149,035	Antimicrobial Composition In force Term ends Mar 19, 2027 · High confidence	In force	Term ends Mar 19, 2027	High confidence
US 8,052,671	Intra-Abdominal Pressure Monitoring Device and Method In force Term ends Aug 4, 2027 · High confidence	In force	Term ends Aug 4, 2027	High confidence
US 7,759,537	Multi Layered Wound Dressing In force Term ends Aug 19, 2027 · High confidence	In force	Term ends Aug 19, 2027	High confidence
US 7,723,559	Wound Dressing In force Term ends Jan 21, 2028 · High confidence	In force	Term ends Jan 21, 2028	High confidence
US 8,110,717	Carboxymethylated Cellulosic Wound Dressing Garment In force Term ends Apr 9, 2028 · High confidence	In force	Term ends Apr 9, 2028	High confidence
US 7,759,539	Wound Dressing In force Term ends Jun 1, 2028 · High confidence	In force	Term ends Jun 1, 2028	High confidence
US 10,772,755	Fecal Management Appliance and Method and Apparatus for Introducing Same In force Term ends Jul 30, 2028 · High confidence	In force	Term ends Jul 30, 2028	High confidence

10 of 118 patents shown.

Pro members see all 118.

Pro members: see all 118 patents

Also on record, not counted in the 118: 19 patents in force now held by others · 37 lapsed for an unpaid fee · 168 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

3 pending · 17 abandoned · 21 no status recorded

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