Editing Donald Knuth (section)

===Opinion on software patents===
Knuth strongly opposes granting [[software patent]]s to trivial solutions that should be obvious, but has expressed more nuanced views for nontrivial solutions such as the [[interior-point method]] of [[linear programming]].<ref>{{Cite journal |url=https://www.ams.org/notices/200203/fea-knuth.pdf |title=All Questions Answered |date=March 2002 |type=article |journal=Notices |access-date=March 26, 2020 |archive-url=https://web.archive.org/web/20190430030346/http://www.ams.org/notices/200203/fea-knuth.pdf |archive-date=April 30, 2019 |url-status=live }}</ref> He has expressed his disagreement directly to both the [[United States Patent and Trademark Office]] and [[European Patent Organisation]].<ref>{{Cite web |url=http://www.groklaw.net/images/G308Knuth.pdf |last=Knuth |first=Donald Ervin |postscript=Letter |title=Against software patents |access-date=February 1, 2020 |archive-url=https://web.archive.org/web/20150924040943/http://www.groklaw.net/images/G308Knuth.pdf |archive-date=September 24, 2015 |url-status=dead }} to the patent offices in the USA and Europe.</ref>