zlacker

"We have essentially no patents in SpaceX. Our primary long-term competition is in China," said Musk in the interview. "If we published patents, it would be farcical, because the Chinese would just use them as a recipe book."

Perhaps Tesla relies on trade secrecy as well?

>>chrisb+(OP)
It´s easier to keep a rocket under trade secrecy than a car that can be disassembled and copied as soon as you got your hands on it.