The backlog issues once limited to the Patent and Trademark Office have spilled over to the Copyright Office as well, as the Silicon Valley IP Licensing Law Blog reported in the following blog post:

http://www.siliconvalleyiplicensinglaw.com/backlog-issues-no-longer-limited-to-uspto-copyright-office-also-experiencing-long-delays/

The Federal Circuit has reached a decision in Tafas v. Doll, which is a case that challenged the rulemaking authority of the USPTO, as the Silicon Valley IP Licensing Law Blog discussed in the following blog post linked below:

http://www.siliconvalleyiplicensinglaw.com/decision-reached-in-case-that-challenged-patent-rulemaking-authority-by-uspto/