Paul Roberts
made the mistake of decided to sell the name rights at a time in the past, which (I believe) Miller purchased and set up shop in Cali.
This "New Rigby" eventually went bankrupt in 2005 (
link)
At some time in the middle of this, JR London re-opened, distancing itself in no uncertain terms from the Cali company (
link)
there may or may not be a dozen lawsuits crammed in there somewhere, along with much hearsay, but suffice it to say the products offered by the two companies were really quite different in terms of quality.