Intermediates for the preparation of analogs of Halichondrin B

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO RE46965
SERIAL NO

13924892

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention provides macrocyclic compounds, synthesis of the same and intermediates thereto. Such compounds, and compositions thereof, are useful for treating or preventing proliferative disorders Formula (F-4).

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
EISAI R&D MANAGEMENT CO LTD6-10 KOISHIKAWA 4-CHOME BUNKYO-KU TOKYO 112-8088

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Austad, Brian Tewksbury, US 13 480
Calkins, Trevor Stoughton, US 3 44
Chase, Charles E Londonderry, US 32 889
Fang, Francis G Andover, US 63 1220
Lewis, Bryan M North Brunswick, US 13 233

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 24, 2026
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 24, 2030
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00