Medaxis AG

34 patents currently held · Updated Nov 14, 2026

2 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.

Ending by 2030

Mar 2028

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 Mar 22, 2027
The maintenance fee for Apparatus and method for recognizing couplings between two system components (US 9,138,516) comes due Mar 22, 2027. Unpaid by Sep 22, 2027, it lapses early.
2 fees due Aug 4 to 25, 2027 · next Aug 4

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 8,070,735	Aspiration pump unit In force Term ends Mar 24, 2028 · From the USPTO record	In force	Term ends Mar 24, 2028	From the USPTO record
US 8,529,530	Drainage pump unit In force Term ends May 25, 2029 · From the USPTO record	In force	Term ends May 25, 2029	From the USPTO record
US 8,535,284	Drainage pump unit In force Term ends Jul 19, 2029 · From the USPTO record	In force	Term ends Jul 19, 2029	From the USPTO record
US 8,808,260	Fluid collection reservoir In force Term ends Aug 7, 2029 · From the USPTO record	In force	Term ends Aug 7, 2029	From the USPTO record
US 8,545,467	Wound cover connecting device In force Term ends May 15, 2030 · From the USPTO record	In force	Term ends May 15, 2030	From the USPTO record
US 8,491,550	Drainage tube unit In force Term ends Jun 8, 2030 · From the USPTO record	In force	Term ends Jun 8, 2030	From the USPTO record
US 8,647,327	Test unit for wound drainage dressings In force Term ends Aug 11, 2030 · From the USPTO record	In force	Term ends Aug 11, 2030	From the USPTO record
US 8,425,489	Drainage tube device and coupling unit In force Term ends Jun 30, 2031 · From the USPTO record	In force	Term ends Jun 30, 2031	From the USPTO record
US 9,138,516	Apparatus and method for recognizing couplings between two system components In force Term ends Aug 18, 2031 · From the USPTO record	In force	Term ends Aug 18, 2031	From the USPTO record
US 8,827,972	Suction pump system In force Term ends Dec 29, 2031 · From the USPTO record	In force	Term ends Dec 29, 2031	From the USPTO record

10 of 34 patents shown.

Pro members see all 34.

Pro members: see all 34 patents

Also on record, not counted in the 34: 2 patents in force now held by others · 1 lapsed for an unpaid fee. 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.

1 no status recorded

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