Shimano has requested two more inter partes reexaminations of patents owned by competitors:
1) Campagnolo SLR’s U.S. Patent 6,490,737 Titled ELECTRIC CONTROL DEVICE FOR A MOTOR-DRIVEN DERAILLEUR FOR BICYCLES; and
2) SRAM’s U.S. Patent 6,681,652 Titled GEAR SELECTION DEVICE FOR A VARIABLE GEAR MECHANISM, ESPECIALLY FOR A BICYCLE DRIVE.
See Shimano’s prior request here.
Read more about inter partes reexaminations here.