Marlin had a very vocal fight with Winchester in the early smokeless powder days. Primer size was one of the problems.
Recreation magazine gad a running fight with Remington-UMC ammunition.
There were other serious fights but those two are pretty well known.
Yep, also Grosvenor by accounts submitted 250 Savage necked down to 22 caliber for Winchesters new 220 Swift. There are 2 theories as to why the Lee Navy was modified.
Theory 1 is that Winchester thought that the Savage brass couldn’t handle the pressure at the base. So by modifying the Lee Navy to semi rimmed strengthened the base enough for the pressure.
Theory 2 Winchester knew that the necked down Savage brass would work but they didn’t want to use Savage brass nor pay for the rights on their brand new super cartridge. Winchester was the sole supplier/maker of Lee Navy so they owned it.
Sad, as the 22 Varminter was born a year or so later and in 63 was dubbed 22.250 Remington.
