In one line: A patent is a trade: you disclose how your invention works, and in return the government grants you a limited-term right to exclude others from making, using or selling it.
Core idea
Intellectual property (IP) protects the products of the mind. Its main forms are:
- patents: inventions
- trademarks: brand identifiers
- copyrights: creative expression, including software code
- trade secrets: valuable information kept confidential
For engineers, patents matter most. A U.S. utility patent typically lasts 20 years from filing, and requires an invention that is novel, useful and non-obvious. Ulrich and Eppinger walk through how a product team decides what to protect and how [1].
How it works
Anatomy of a patent:
- Front page: title, inventors, assignee, dates, abstract, references.
- Drawings and description: enough detail that someone skilled in the field could reproduce the invention (the enablement requirement).
- Claims: the legal heart of the patent. They define exactly what is protected. Independent claims stand alone; dependent claims narrow them.
Steps in preparing a disclosure:
- Formulate a strategy and plan, covering timing, scope and countries.
- Study prior inventions in patents and literature.
- Outline the claims.
- Write the description.
- Refine the claims.
- Pursue the application, often first as a cheaper provisional filing, then a full one.
- Look back: what would we claim differently next time?
Strategic choices:
- patent, or keep it a trade secret
- file early or late
- file broadly or narrowly
- license, defend, or publish to create prior art so no one else can patent it
In practice
A patent from the course shows how ordinary inventions earn protection: a fold-flat paper sleeve that wraps a hot cup to improve grip and insulate the hand. Its claims carefully define the shape and construction that make it new. A good exercise is to pull a patent issued to your own company and summarize what is disclosed and how it is described. Talk to the inventors if you can; the story behind a patent usually teaches more than the document. Engineers should also know their company’s invention-disclosure process. Many good ideas are never protected simply because no one wrote them up.
Questions to ask yourself
- What in my current work might be novel enough to disclose?
- Has my team searched for prior art before investing heavily in a concept?
- Which IP strategy (patent, secret or publication) best serves this invention?
Connections
- Prior-art search during: Concept Generation. Value case: Product Development Economics.
- Strategy: Business Strategy. Disclosure in proposals: Proposals and White Papers.
- Capabilities exercised: Communicating and Advocacy, Ethical Actions and Integrity, Vision.