I always wondered what a "frozen ATPL" was....
You either have it or you don't as far as Im concerned and so will the companies your looking at.
If your applying for a job that requires aircraft heavier than 12500 lbs and thus need an ATPL to fly the other option is go and write the IATRA (think thats what it is) exam.... allows a CPL holder to fly 12500 a/c or heavier until the ATPL is complete.
WJP