A more thorough explanation:

Definition: Analog refers to a different material, such as a chemical or DNA sequence, that produces the same result as the specified material when used in a certain way. In patents, analogs are often included in claims to prevent others from copying their innovations without infringing on their exclusive rights. Analog can also be spelled as analogue and is also known as functional analog or equivalent.

One example of an analog is a generic drug that has the same active ingredient as a brand-name drug. The generic drug is an analog of the brand-name drug because it produces the same therapeutic effect.

Another example of an analog is a synthetic material that mimics the properties of a natural material. For instance, a synthetic polymer that has the same elasticity as natural rubber can be considered an analog of natural rubber.

These examples illustrate how analogs can be used to replicate the properties or effects of a specific material or product without infringing on any patents or exclusive rights.