Question:

Patents for how a product operates are known as:

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To keep these patent types straight, remember: Utility = Function (how an invention works), whereas Design = Aesthetics (how an invention looks).
Updated On: Jun 17, 2026
  • Function patents
  • Design patents
  • Utility patents
  • Structural patents
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The Correct Option is C

Solution and Explanation

Step 1: Understanding the Question:
The question asks for the specific legal term used to describe intellectual property patents that protect a product's functional operation and mechanical processes.

Step 2: Key Formula or Approach:

Understand the legal differences between types of patents: - Design Patents: Protect the unique visual aesthetic and ornamental appearance of an object.
- Utility Patents: Protect the functional mechanism, structure, operation, or chemical composition of an invention (how it works).

Step 3: Detailed Explanation:

Patents that protect the functional operation, mechanical processes, and actual utility of an invention are called Utility patents (Option C). For example, a patent for a new water-filtration mechanism is a utility patent, whereas a patent protecting the unique physical shape of the water pitcher is a design patent. There are no formal patent categories called “function” or “structural” patents in standard IP law.

Step 4: Final Answer:

Patents covering how a product operates are utility patents, matching option (C).
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