It could be deemed as trespassing, which is illegal.
No, it is illegal to park on the sidewalk in your driveway.
Yes, it is illegal to park over the sidewalk in your driveway as it obstructs pedestrian pathways and violates local parking regulations.
Obstructing a driveway, service access, etc. is generally illegal anywhere.
Yes, it is generally considered illegal to park in a driveway in a way that blocks the sidewalk. Blocking the sidewalk can obstruct pedestrian access and is often a violation of local parking regulations.
yes it is my brother got fined
It is extremely rude, but since he owns the property, not illegal, unless you are paying a surcharge to park.
No, it is not legal to park on the sidewalk in a driveway.
Dropped curbs are usually there for delivery purposes; but as you mention there is no driveway - so No.
If you are talking about a driveway other than your own, you can park as close to it as you want as long as you are not blocking it and if the law permits (although I highly doubt that would be illegal, you know how some are). For a piece of advice and courtesy though, allow at least a 4 inch space between your car and their driveway.
You must park 5 feet away from a driveway.
Yes, you can park in your driveway without blocking the sidewalk.
If it's a public driveway then the property owner can charge. If it's a private driveway to a house then no you can't and shouldn't charge to park.