# Patent Law: The Festo Case and the Doctrine of Equivalents
> **Long Report (Legacy)** · 2002-07-25 · `RL31156`
## Report
- **CRS ID:** RL31156
- **Series:** Long Report (Legacy)
- **Publication date:** 2002-07-25
## Documents
- [PDF](https://www.everycrsreport.com/files/20020725_RL31156_cc5c81a0106997b4cbb7ac0366dfeb11483c8ecf.pdf)
- [HTML](https://www.everycrsreport.com/files/20020725_RL31156_cc5c81a0106997b4cbb7ac0366dfeb11483c8ecf.html)
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