Trailer towing, weight.

I don't think you need to worry about it, I have a similar trailer and have never had any problems with the law regarding the load, even though I have overloaded it on occasion, the tow vehicle has to be capable of stopping the load, that's the primary point. Yes overall gross combined weight can become an issue, but unless you are hauling broken concrete or pallets of brick it shouldn't be a big deal. It's unlikely that you can overload that style of trailer easily.