How to Read a Patent

Q: What are the most important parts of a patent?

Focus on the claims to understand the legal protection, and review the abstract and drawings for a quick overview of the invention.

Q: What does a patent claim mean?

A claim defines what the patent legally protects. Independent claims offer broad protection, while dependent claims are more specific.

Reading a patent for the first time can be confusing. But once you understand the structure, it becomes easier to spot important technical and legal insights—whether you're an inventor, developer, or IP professional.

The Structure of a Patent

Every published patent generally includes these main sections:

**Title** – A short, technical name for the invention
**Abstract** – A brief summary of what the invention does
**Background** – What problem it solves and prior art
**Summary / Description** – Detailed technical breakdown of how it works
**Drawings** – Diagrams of key components
**Claims** – The legally enforceable part that defines the scope

Where to Start

Read the **Abstract** to get a high-level idea.
Skim the **Drawings** to visualize the invention.
Focus on the **Claims**—they determine what the patent legally covers.
Use the **Description** to understand how the invention works technically.

What to Look For

**Independent Claims** (usually Claim 1) define broad protection
**Dependent Claims** add limitations or specific use cases
**Citations** help you find related technologies or competitors

How to Search for Patents

You can use:

Real Example: An Encrypted Messaging App

Claim 1 might describe a method of securing messages using asymmetric encryption
The drawings might show the device architecture
The description details how user credentials and data are stored or encrypted

CPC Notes

Patents for apps, software processes, and computing methods are often filed under (data processing), (network security), or (security arrangements for computing).

How to read a patent