The Patent Finder

Beyondspring Pharmaceuticals, Inc.

21 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.

Recorded under 3 name spellings.

2
Ending by 2030
Jan 2029
Next term end

When these terms end

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 Jan 23, 2027
    The maintenance fee for Method of Treating a Brain Tumor (US 10,357,491) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
  • 1 fee due Apr 17, 2027
    The maintenance fee for Composition and method for reducing thrombocytopenia (US 11,786,523) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, it lapses early.
  • 1 fee due Jul 2, 2027
    The maintenance fee for Compositions containing tucaresol or its analogs (US 11,857,522) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
  • 1 fee due Sep 5, 2027
    The maintenance fee for Method of treating cancer associated with a RAS mutation (US 11,918,574) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, 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.
PatentTitleStatus Expires Confidence
US 8,129,527Analogs of Dehydrophenylahistins and Their Theapeutic Use
In force
 · High confidence
In forceHigh confidence
US 7,732,605Synthesis of Diketopiperazines
In force
 · High confidence
In forceHigh confidence
US 10,076,518Method of Treating a Brain Tumor
In force
 · High confidence
In forceHigh confidence
US 10,238,650Method of treating cancer associated with a RAS mutation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,357,491Method of Treating a Brain Tumor
In force
 · High confidence
In forceHigh confidence
US 10,668,063Method of treating cancer associated with a RAS mutation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,045,467Method of treating cancer associated with a RAS mutation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,155,748Plinabulin Compositions
In force
 · High confidence
In forceHigh confidence
US 11,254,657Plinabulin Compositions
In force
 · High confidence
In forceHigh confidence
US 12,024,501Plinabulin Compositions
In force
 · High confidence
In forceHigh confidence
10 of 21 patents shown.
Pro members see all 21.
Pro members: see all 21 patents
Also on record, not counted in the 21: 2 patents in force now held by others · 11 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.

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 · 3 abandoned · 9 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited