Can someone steal my idea if I have a patent pending?
As soon as you file a patent application with the U.S.
Patent and Trademark Office (USPTO), your invention is “Patent Pending.” Once your application is submitted, nobody can steal, sell, or use your invention without your permission.
If this happens, they are infringing on your patent, assuming it gets issued..
How much does it cost to do a patent search?
A patent search cost can be anywhere from $100 to $3,000 depending on the complexity of your invention and covers research into existing patents and patent applications. You can use free online tools to do your own search, but an attorney can help you dig deeper.
Can I patent an idea that already exists?
You can’t patent an existing or old product. However, you can patent a new use for an existing or old product as long as the new use is nonobvious. Moreover, the new use cannot be inherent in the use of the existing or old product.
What happens if someone copies a patented idea?
It is perfectly legal in the United States to choose to let your invention go unused for the entire period of the patent. If someone uses your invention without your permission, you are entitled to stop their use of the invention by seeking a legal injunction in Federal court.
Can you invent something that already exists?
Re: Can I invent a variant of something that already exists? Yes, you can invent a variant as long as it does not infringe on any other patents and it is not obvious or prior art.