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Patent - Wikipedia
Patent essentials | USPTO
What Is a Patent in Simple Terms? With Examples - Investopedia
Patent Basics | USPTO
Patents - WIPO - World Intellectual Property Organization
Frequently Asked Questions: Patents - WIPO
What Is a Patent? - FindLaw
Patent | Protecting Intellectual Property Rights | Britannica
What are patents and what do they protect? | epo.org
What is Intellectual Property?