Patent lawyer Lawrence Ebert of IPBiz blogged about Fiber Optic Designs' IP adventure in China.
"To show prior invention, Fiber Optics submitted a copy of the Trenton Times from December 2001. The copy had to be notarized by a notary public. In turn, a state judge had to affirm the status of the notary. In turn, a state agency had to affirm the status of the state judge. In turn, the US State Department had to affirm the status of the state agency. Then, the State Department had to submit all of the above the Chinese embassy. This process cost $50,000."
Read more here and here.