License Revenue

12 Months Ended

Dec. 31, 2023

License and Royalty Revenue.

License and Royalty Revenue

11. License Revenue

License and Commercialization Agreement with Pharmbio Korea Inc.

In April 2018, the Company entered into an exclusive license agreement with Pharmbio Korea Inc., or Pharmbio, for the development and commercialization of OLINVYK for the management of moderate to severe acute pain in South Korea. Under the terms of the agreement, the Company received an upfront, non-refundable cash payment of $3.0 million (less applicable withholding taxes of $0.5 million) in June 2018, and will receive a cash commercial milestone of up to $0.5 million if OLINVYK is approved in South Korea and tiered royalties on product sales in South Korea ranging from high single digits to 20%, less applicable withholding taxes. As part of the agreement, the Company also granted Pharmbio an option to manufacture OLINVYK, on a non-exclusive basis, for the development and commercialization of the product in South Korea, subject to a separate arrangement to be entered into if Pharmbio exercises the option. The license agreement is terminable by Pharmbio for any reason upon 180 days written notice.

In accordance with the terms of the agreement, Pharmbio is solely responsible for all development and regulatory activities in South Korea. The parties have formed a Joint Development Committee with equal representation from the Company and Pharmbio to provide overall coordination and oversight of the development of OLINVYK in South Korea. The parties also agreed to form a Joint Manufacturing and Commercialization Committee at least six months prior to the anticipated date of regulatory approval of OLINVYK in South Korea to provide overall coordination and oversight of the manufacture and commercialization of OLINVYK in South Korea.

License Agreement with Jiangsu Nhwa Pharmaceutical Co. Ltd.

In April 2018, the Company also entered into an exclusive license agreement with Jiangsu Nhwa Pharmaceutical Co. Ltd., or Nhwa, for the development and commercialization of OLINVYK for the management of moderate to severe acute pain in China. Under the terms of this agreement, the Company received an upfront, non-refundable cash payment of $2.5 million (less applicable withholding taxes of $0.3 million) in July 2018. In August 2020, the Company received a milestone payment of $3.0 million (less applicable withholding taxes of $0.3 million), that became payable by Nhwa upon FDA approval of OLINVYK. In May 2023, the Company received a milestone payment of $3.0 million (less applicable withholding taxes $0.3 million), that became payable by Nhwa upon regulatory

approval of OLINVYK in China. The Company is eligible to receive up to an additional $6.0 million of commercialization milestone payments based on product sales levels in China, and a ten percent royalty on all net product sales in China, less applicable withholding taxes. In the third quarter of 2023, Nhwa launched OLINVYK, recognized net product sales in China and reported royalties on those sales to the Company. This royalty is required to be used by the Company to repay its obligations under the Loan Agreement. As part of the license agreement with Nhwa, the Company also granted Nhwa an option to manufacture OLINVYK, on an exclusive basis in China, for the development and commercialization of the product in China. In the second quarter of 2018, Nhwa elected to exercise this manufacturing option. The license agreement is terminable by Nhwa for any reason upon 180 days written notice.

In accordance with the terms of the agreement, Nhwa is solely responsible for all development and regulatory activities in China. The parties have formed a Joint Development Committee with equal representation from the Company and Nhwa to provide overall coordination and oversight of the development of OLINVYK in China. The parties also formed a Joint Manufacturing and Commercialization Committee to provide overall coordination and oversight of the manufacture and commercialization of OLINVYK in China.

For the year ended December 31, 2023 and 2022, license and royalty revenue in the accompanying statements of operations and comprehensive loss is comprised of the following:

	Year Ended
	December 31,
	2023		2022
Pharmbio Korea Inc.	$	—	$	20
Jiangsu Nhwa Pharmaceutical Co. Ltd.		3,000		—
Total license revenues	$	3,000	$	20
Jiangsu Nhwa Pharmaceutical Co. Ltd.		179		—
Total royalty revenues	$	179	$	—
Total license and royalty revenues	$	3,179	$	20

License revenue recorded for the year ended December 31, 2023 related to the milestone payment that became payable by Nhwa upon regulatory approval of OLINVYK in China. License revenue recorded for the year ended December 31, 2022 related to materials shipped to PharmBio to support the development of oliceridine efforts in South Korea.

Royalty revenue recorded for the year ended December 31, 2023, relates to royalties earned on OLINVYK sales by Nhwa in China and payable to R-Bridge.