Catalyst Medium Four, Inc.

35 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 3 name spellings.

Ending by 2030

Oct 2032

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 Jun 17, 2027
The maintenance fee for Adhesive pocket for mobile phones (US 10,506,857) comes due Jun 17, 2027. Unpaid by Dec 17, 2027, it lapses early.

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 D831,630	Cellular phone case In force Term ends Oct 23, 2032 · From the USPTO record	In force	Term ends Oct 23, 2032	From the USPTO record
US D824,892	Pocket case for mobile communications devices with carrying compartment for credit card sized items In force Term ends Aug 7, 2033 · From the USPTO record	In force	Term ends Aug 7, 2033	From the USPTO record
US D836,096	Pocket case for mobile communications devices combined with carrying compartment for credit card sized items In force Term ends Dec 18, 2033 · From the USPTO record	In force	Term ends Dec 18, 2033	From the USPTO record
US D855,607	Pocket case for mobile communications devices with carrying compartment for credit card sized items In force Term ends Aug 6, 2034 · From the USPTO record	In force	Term ends Aug 6, 2034	From the USPTO record
US D865,739	Case for a mobile communications device In force Term ends Nov 5, 2034 · From the USPTO record	In force	Term ends Nov 5, 2034	From the USPTO record
US D865,740	Case for a mobile communications device In force Term ends Nov 5, 2034 · From the USPTO record	In force	Term ends Nov 5, 2034	From the USPTO record
US D865,742	Pocket case for mobile communications devices with carrying compartment for credit card sized items In force Term ends Nov 5, 2034 · From the USPTO record	In force	Term ends Nov 5, 2034	From the USPTO record
US D865,743	Pocket case for mobile communications devices with carrying compartment for credit card sized items In force Term ends Nov 5, 2034 · From the USPTO record	In force	Term ends Nov 5, 2034	From the USPTO record
US D877,738	Magnetic desktop cable management device In force Term ends Mar 10, 2035 · From the USPTO record	In force	Term ends Mar 10, 2035	From the USPTO record
US D879,757	Pocket case for mobile communications device combined with carrying compartment for credit card sized items In force Term ends Mar 31, 2035 · From the USPTO record	In force	Term ends Mar 31, 2035	From the USPTO record

10 of 35 patents shown.

Pro members see all 35.

Pro members: see all 35 patents

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.

2 no status recorded

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