The report comes after federal auditors found thousands of workers were on paid leave for long periods.
House hearing probes alleged fraudulent claims by examiners about hours spent teleworking.
Lawmakers alleged early this year that Todd Zinser protected his top deputies when they were accused of intimidating staffers.
Patent Commissioner Margaret Focarino told lawmakers there is no culture of fraud at the patent office.
The patent commissioner cited a pilot program designed to discourage ‘end-loading’ patent reviews.
“It’s theft,” Rep. Tom Marino (R-Pa.), a former federal prosecutor, told patent commissioner Margaret Focarino at the hearing before two House committees.
Patent commissioner Margaret Focarino defended her agency’s performance chairman of the House Oversight Committee.
The Commerce Department IG described a culture at the U.S. Patent and Trademark Office that “has deemphasized time and attendance rules in favor of production goals.“
A House hearing is underway on fraudulent practices at the U.S. Patent and Trademark Office’s telework program.
Patent office in negotiations with unions in advance of hearing Tuesday before Congress.