She told Maher she saw her career vanish "overnight", and watched as TMZ reported her show cancellations in real time.
The comedian said during a press conference previous year that Trump bullied her over the photo, and accused the first family of "personally trying to ruin [her] life forever".
Comedian Kathy Griffin is embarking on her comeback, some nine months after she provoked outrage - and lost much of her work - by posing with a fake severed head that appeared to depict President Donald Trump. In fact, her first two shows are set to take place right in "Trump's backyard".
FILE - In this February 11, 2018 file photo, comedian Kathy Griffin poses at the 2018 Writers Guild Awards at the Beverly Hilton in Beverly Hills, Calif. Griffin says she'll be appearing in upcoming shows in NY and Washington.
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A spokesman for British Prime Minister Theresa May said the poisoning was an "appalling and reckless crime". The government will not act precipitously, he said, but will examine the facts rationally.
"I'm dipping my toes into touring again even though the Trumps and nobody wants me to work again", she told Maher.
Her close relationship with the CNN anchor, who called the photo "disgusting and completely inappropriate", was also a casualty of the scandal.
Griffin had multiple shows canceled and was sacked from her position as a host of CNN's New Year's Eve coverage in the aftermath.
The Secret Service even begun an investigation into the comedian and interviewed her.
Regrets? Maher asked, "If you had to do it all over again, I assume you wouldn't take the picture..." They can do that'. I didn't assault anybody. "I really want to thank you for being one of the first and only people to publicly say what happened to me was bullshit".