Second window

Second window may refer to:

• broadcast syndication rights for a work following the expiration of first window rights for that work
• the inter-partes review period for third-party challenge and opposition of a granted patent or trademark
• a wavelength band or transmission window in fibre-optic communications
• the period of ischemic preconditioning, starting 24 hours after a coronary occlusion and lasting up to 72 hours, that can limit injuries of a subsequent ischaemia reperfusion in the myocardium

See also

• Second Window, Second Floor, a song by Clyde McPhatter
• First window (disambiguation)
• Window (disambiguation)
• Windowing (disambiguation)
• Windows (disambiguation)