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This tactics applies only if you already have ad groups of similar nature for the campaign you run.
If you create something that is totally new in your account - good luck I guess.
In addition, I haven't had a chance to pay attention and see if TM related stuff makes any difference, even if you have an explicit approval from the owner.
I did talk to support and the lady said it is just the way it is - too many ads in the queue.
Hire more people?
Yet another head scratcher from Google.
I had over 3,000 ads approved in about an hour. They were all very similar to each other.
I've seen some ads that used trademarks take a couple of days to be approved. For example, if you have a product name or company in the ad. I think these are red flagged and then reviewed by a person.
You might have an ad for a car dealership, and you put the name of the dealership in the ad. Example; Eastside Toyota, then that ad might take a while to be approved.