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right conferred by the patent grant is, in the language of the statute
and of the grant itself, "the right to exclude others from making,
using, offering for sale, or selling" the invention in the United
States or "importing" the invention into the United States. What is
granted is not the right to make, use, offer for sale, sell or import,
but the right to exclude others from making, using, offering for sale,
selling or importing the invention. Once a patent is issued, the
patentee must enforce the patent without aid of the USPTO.
There are three types of patents:
1) Utility patents may be granted to
anyone who invents or discovers any new and useful process, machine,
article of manufacture, or composition of matter, or any new and
useful improvement thereof;
2) Design patents
may be granted to anyone who invents a new, original, and ornamental
design for an article of manufacture; and
3) Plant patents may be granted to
anyone who invents or discovers and asexually reproduces any distinct
and new variety of plant.
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