Considering Common Lisp is still in use and doesn't need to be re-standardised despite several decades passing since, isn't its standardisation a great success?
It's lacking enough things like standardized networking and threading support that, no, many people don't consider it a success.
It was also a semi-atrocity in creation in ways that needlessly made it more difficult to implement, but that tale is best told by people more knowledgeable than I, I'd moved onto Scheme by then for the most part.
I think Common Lisp's success is due to the power of Lisp and that Common Lisp is the most modern full-featured version of Lisp. For all we know, if the standardization had been done better, Lisp might be more widely used than it is today.
