Understanding Means-Plus-Function Claims in Patent Law

We previously wrote about product-by-process claims in patent law describing them as an atypical patent claim. See our article here: https://ipfdalaw.com/understanding-product-by-process-claims-in-patent-law/. Another atypical claim is a so-called “means plus function” claim. The M+F claim has a statutory root under 35 U.S.C. Sec. 112(f) (previously under 35 U.S.C. Sec. 112, sixth paragraph). The statute states that:  […]