Dr. Luke alleged that Kesha's mom Pebe Sebert was trying to extort him and had forced her to break contract with his label. The New York judge said there was no jurisdiction over Sebert in New York (but he's filed a similar lawsuit where she lives, Tennessee).
The lawsuit against Kesha's manager, Jack Rovner, argued that Rovner "hates" the producer out of jealousy and sought to gain more money and control over her career. In throwing it out, the judge said it didn't meet the standard of a tort and Rovner was acting within his authority as a manager.
See photos of Kesha
Kesha wins a legal battle over her producer Dr. Luke who she says sexually assaulted her
Photo by: Raoul Gatchalian/STAR MAX/IPx
KeSha at Rehab at The Hard Rock.
(Las Vegas, Nevada)
Kesha performs at the 2015 Delete Blood Cancer Gala at Cipriani Wall Street on Thursday, April 16, 2015, in New York. (Photo by Charles Sykes/Invision/AP)
Kesha and boyfriend Brad Ashenfelter are seen flying out of LAX airport, 15 April 2015.
15 April 2015.
Kesha performs on stage during Brian Fest: A Night To Celebrate The Music Of Brian Wilson at the Fonda Theatre on Monday, March 30, 2015, in Los Angeles. (Photo by Paul A. Hebert/Invision/AP)
Kesha attends the DKNY Fall 2015 show during Mercedes-Benz Fashion Week Fall 2015 at The Theater at 547 W. 26th Street on Sunday, Feb. 15, 2015, in New York. (Andy Kropa/Invision/AP)
Kesha arrives at the MTV Video Music Awards at The Forum on Sunday, Aug. 24, 2014, in Inglewood, Calif. (Photo by Jordan Strauss/Invision/AP)
Ke$ha poses in the press room at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 18, 2014, in Las Vegas. (Photo by Eric Jamison/Invision/AP)
FILE - This Nov. 24, 2013 file photo shows musician Ke$ha at the American Music Awards at the Nokia Theatre L.A. Live in Los Angeles. Ke$ha's representative confirmed Friday, March 7, 2014, that the singer checked out of rehab. She entered in January. The 26-year-old vegetarian said she entered rehab to "learn to love myself again, exactly as I am." Ke$ha, whose real name is Kesha Rose Sebert, is the performer of such tunes as "Crazy Love," ''Die Young" and "Timber" with Pitbull. (Photo by Jordan Strauss/Invision/AP, File)
Ke$ha, left, and Pitbull perform on stage at the American Music Awards at the Nokia Theatre L.A. Live on Sunday, Nov. 24, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Ke$ha performs at IHeartRadio Music Festival, day 2, Saturday, Sept. 21, 2013 in Las Vegas, NV. (Photo by Al Powers/Powers Imagery/Invision /AP)
Ke$ha performs at the iHeartRadio Ultimate Pool Party at the Fontainebleau Hotel on Saturday, June 29, 2013 in Miami. (Photo by Jeff Daly/Invision/AP)
Ke$ha arrives at the iHeartRadio Ultimate Pool Party at the Fontainebleau Hotel on Saturday, June 29, 2013 in Miami. (Photo by Jeff Daly/Invision/AP)
Pop music singer songwriter Ke$ha performs on her Warrior Tour at the Golden Nugget Casino on Saturday, May 25, 2013, in Atlantic City, N.J. (Photo by Owen Sweeney/Invision/AP)
Ke$ha arrives at the 26th annual Nickelodeon's Kids' Choice Awards on Saturday, March 23, 2013, in Los Angeles. (Photo by Todd Williamson/Invision/AP)
Ke$ha arrives at the 2013 Presidential Inaugural Charity Benefit, on Monday, Jan. 21, 2013 in Washington. (Photo by Stephen Boitano/Invision/AP)
Ke$ha performs during the second night of KIIS FM's Jingle Ball at Nokia Theatre LA Live on Monday, Dec. 3, 2012, in Los Angeles. (Photo by Chris Pizzello/Invision/AP)
Kesha arrives at the 40th Anniversary American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by John Shearer/Invision/AP)
Singer-songwriter Ke$ha poses for a portrait, Tuesday, Nov. 13, 2012, in Los Angeles. (Photo by Chris Pizzello/Invision/AP)
U.S. pop singer Ke$ha performs during the Rock in Rio music festival in Rio de Janeiro, Brazil, Thursday Sept. 29, 2011. (AP Photo/Silvia Izquierdo)
U.S. singer Ke$ha performs at the Wireless Festival in Hyde Park, London, Saturday, July 2, 2011. (AP Photo/Jonathan Short)
Singer Ke$ha arrives at KIIS FM's Wango Tango in Los Angeles on Saturday, May 14, 2011. (AP Photo/Dan Steinberg)
Ke$ha arrives at the MTV Video Music Awards on Sunday, Sept. 12, 2010 in Los Angeles. (AP Photo/Chris Pizzello)
Ke$ha appears on the NBC "Today" television program in New York Friday, Aug. 13, 2010. (AP Photo/Richard Drew)
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Kesha's problems are far from over, though, as her contract with Dr. Luke's company prevents her from recording elsewhere. She has another court date later this month to decide if she can release music outside of his company for the first time.
The legal situation stems from Kesha's 2014 suit alleging Dr. Luke had repeatedly sexually assaulted her, and he sued back.
With no new music from the pop star since 2013, her lawyers argue she's fading from public view. Now she's fighting to get back.