# \#cascade

**URL:** https://forum.opencv.org/tag/cascade/150.md

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## [Can i use Cascade Classifier commercially?](https://forum.opencv.org/t/can-i-use-cascade-classifier-commercially/3454)

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**Author:** [@Marcs](https://forum.opencv.org/u/Marcs)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 6:17am UTC](https://forum.opencv.org/t/can-i-use-cascade-classifier-commercially/3454 "2021-05-21T06:17:58Z")

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Hi, I’m lost between licenses, I’ve read a lot about it, but I’m still confused. Sorry, I don’t know if this is the right place for these questions. Can I use .xml files, such as “haarcascade\_eye.xml”, in a commercial p…