Kelun-Biotech Receives USD 89 Million Settlement Payment from Medilink Therapeutics Over ADC Pipeline Out-Licensing Dispute

Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. (HKG: 6990), a China-based biopharmaceutical company, announced it has received a payment of RMB 602,509,600.00 (USD 89 million) from Medilink Therapeutics representing the share of revenue from the out-licensing of YL201. This brings the total settlement-related payments received by Kelun-Biotech from Medilink in 2026 to RMB 702,721,325.78 (USD 104 million).

Settlement Details

ItemDetail
CompanySichuan Kelun-Biotech Biopharmaceutical Co., Ltd. (HKG: 6990)
CounterpartyMedilink Therapeutics
Latest PaymentRMB 602,509,600.00 (USD 89 million)
Total 2026 PaymentsRMB 702,721,325.78 (USD 104 million)
Settlement AgreementDecember 2025
Dispute OriginCriminal complaint filed in 2024; civil litigation initiated in 2025
AllegationsMisappropriation of trade secrets and harm to company interests

ADC Pipeline Assets Covered Under Settlement

AssetTargetTherapeutic Focus
YL201B7H3Antibody-drug conjugate (ADC)
YL202HER3Antibody-drug conjugate (ADC)
YL211cMetAntibody-drug conjugate (ADC)
YL212DLL3Antibody-drug conjugate (ADC)
YL221EGFRAntibody-drug conjugate (ADC)
YL222PD-L1Antibody-drug conjugate (ADC)

The settlement agreement entitles Kelun-Biotech to receive a certain percentage of proceeds generated from both past out-licensing transactions and future sales of these six ADC pipeline assets.

DateAction
2024Kelun-Biotech filed criminal complaint against Medilink Therapeutics
2025Kelun-Biotech initiated civil litigation against Medilink
December 2025Parties entered into comprehensive settlement agreement
2026 (YTD)Kelun-Biotech received USD 104 million in settlement payments

Strategic & Financial Implications

  • Revenue Recognition: The settlement payments represent significant non-operating income that will positively impact Kelun-Biotech’s 2026 financial performance
  • Intellectual Property Protection: Successful resolution validates Kelun-Biotech’s IP rights over its ADC platform technology and specific asset developments
  • Pipeline Monetization: Despite the dispute, the underlying ADC assets have demonstrated commercial value through out-licensing transactions
  • Corporate Governance: Demonstrates management’s commitment to protecting shareholder interests and defending company assets

Market Context & Industry Significance

  • ADC Market Growth: The global antibody-drug conjugate market is projected to exceed USD 20 billion by 2030, driven by advances in linker technology and target identification
  • Chinese Biotech Innovation: Kelun-Biotech’s multi-target ADC pipeline reflects the growing sophistication of Chinese biopharmaceutical R&D capabilities
  • IP Enforcement Precedent: The successful settlement may encourage other Chinese biotech companies to more aggressively protect their intellectual property rights internationally
  • Partnership Risks: Highlights the importance of robust contractual protections in biotech collaborations and out-licensing arrangements

The resolution of this high-profile dispute strengthens Kelun-Biotech’s financial position while affirming the commercial value of its ADC platform and pipeline assets.

Forward-Looking Statements
This brief contains forward-looking statements regarding settlement proceeds, future payments, and business implications. Actual results may differ due to risks including payment timing, contractual interpretations, and market conditions.-Fineline Info & Tech