There is a posting at the USPTO for a Legal Externship with the Trademark Law Student Intern Program. The posting closes on Thursday, February 4, 2016. The information on the posting is available on USAJobs at https://www.usajobs.gov/GetJob/ViewDetails/427093200.
The job posting for the Patent Experience Externship Program (which was previously forwarded to you) is still open but closes on Monday, February 29, 2016. The information on the posting is available on USAJobs at https://www.usajobs.gov/GetJob/ViewDetails/421790800.