secwatch.observer — SEC 8-K summary
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Issuer:     CYTOKINETICS INC (CYTK)
CIK:        0001061983
Form:       8-K
Filed at:   2026-08-13T13:25:17+00:00
Accession:  0001193125-26-348060
Event type: litigation
Sentiment:  neutral
Materiality: 0.60
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Cytokinetics sues BMS/MyoKardia over patent on MYQORZO (aficamten)
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- Filed complaint in U.S. District Court for Delaware against Bristol-Myers Squibb and MyoKardia over U.S. Patent No. 12,616,697.
- Seeks declaratory judgment that Cytokinetics does not infringe and that the '697 patent claims are invalid.
- Requests injunction barring defendants from threatening infringement litigation against MYQORZO (aficamten) users, customers, and distributors.
- Also seeks costs, attorneys' fees, and a jury trial; company says it will vigorously assert its rights.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1061983/000119312526348060/0001193125-26-348060-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1061983/000119312526348060/cytk-20260813.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-348060

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