RP3 Inc.

10 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Oct 2034

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 23, 2026
The maintenance fee for Antigen Purification (US 11,655,461) comes due Nov 23, 2026. Unpaid by May 24, 2027, it lapses early.
2 fees due Jan 4 to 11, 2027 · next Jan 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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 10,214,747	Method of Purifying Monoclonal Antibodies In force Term ends Oct 3, 2034 · High confidence	In force	Term ends Oct 3, 2034	High confidence
US 9,688,970	Plant-Based Recombinant Butyrylcholinesterase Production Methods In force Term ends May 31, 2035 · High confidence	In force	Term ends May 31, 2035	High confidence
US 10,822,591	Virus Purification In force Term ends Jun 11, 2039 · High confidence	In force	Term ends Jun 11, 2039	High confidence
US 12,097,256	Virus and antigen purification and conjugation In force Term ends Jun 11, 2039 · From the USPTO record	In force	Term ends Jun 11, 2039	From the USPTO record
US 12,173,328	Virus and Antigen Conjugation In force Term ends Jun 11, 2039 · Medium confidence	In force	Term ends Jun 11, 2039	Medium confidence
US 11,690,907	Vaccines formed by virus and antigen conjugation In force Term ends Jun 18, 2039 · From the USPTO record	In force	Term ends Jun 18, 2039	From the USPTO record
US 11,655,461	Antigen Purification In force Term ends Jul 5, 2039 · Medium confidence	In force	Term ends Jul 5, 2039	Medium confidence
US 11,696,948	Vaccines formed by virus and antigen conjugation In force Term ends Jul 5, 2039 · From the USPTO record	In force	Term ends Jul 5, 2039	From the USPTO record
US 11,485,956	Virus and Antigen Purification and Conjugation In force Term ends Feb 4, 2040 · Low confidence	In force	Term ends Feb 4, 2040	Low confidence
US 11,529,413	Virus and Antigen Purification and Conjugation In force Term ends Mar 17, 2040 · Medium confidence	In force	Term ends Mar 17, 2040	Medium confidence

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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