Talon Therapeutics Inc (fka TLON)

[operating_line]

TLON CVRs are now with a new agent, Equiniti

...following their acquisition of Corporate Stock Transfer.

https://equiniti.com/us/shareowner-online/acquisition-of-corporate-stock-transfer/

No payout has occurred for these CVRs.

CVRs are valid for 20 years from issuance, which is in July 2033:

"Termination. Any liability of Parent and its successors and or assigns with respect to, and the obligation to pay, any Milestone Amounts, other than the Regulatory Milestone, or any directly related payments pursuant to this Agreement shall be terminated and of no force or effect upon the date that is 20 years after the date of this Agreement. Any liability of Parent and its successors and or assigns with respect to, and the obligation to pay, the Regulatory Milestone Amount or any directly related payments pursuant to this Agreement, shall be terminated and of no force or effect upon the expiration of the Menadione Patent Rights. This Agreement shall otherwise be terminated and of no force or effect and the parties hereto shall have no liability hereunder upon the later to occur of: (i) the date that is 20 years after the date of this Agreement; or (ii) the expiration of the Menadione Patent Rights. "


https://www.sec.gov/Archives/edgar/data/831547/000119312513295701/d568990dex23.htm