In July 2015, Google announced their new version of the Google Patent Search at patents.google.com. But it seems like the old version was still accessible via google.com/patents.

Folks are now complaining that when you go to google.com/patents you are redirected to patents.google.com.

Here is the look of Google Patent Search today, which looks like the screen shots from 2015:

A new Google Web Search Help thread has a few complaints:

As I covered at Search Engine Land when it launched in 2015, the new design and features should give you access to more filters. But it seems like maybe something is missing or people do not like change.

Forum discussion at Google Web Search Help.