Patents by Inventor Erik E. Karrer

Erik E. Karrer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8496935
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: July 30, 2013
    Assignee: Perseid Therapeutics LLC
    Inventors: Erik E Karrer, Madan M. Paidhungat, Steven H Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Patent number: 8491899
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: July 23, 2013
    Assignee: Perseid Therapeutics LLC
    Inventors: Erik E Karrer, Madan M. Paidhungat, Steven H Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Patent number: 8445230
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: May 21, 2013
    Assignee: Perseid Therapeutics LLC
    Inventors: Erik E Karrer, Madan M. Paidhungat, Steven H Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Patent number: 8318176
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: November 27, 2012
    Assignee: Perseid Therapeutics LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Patent number: 8283447
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: October 9, 2012
    Assignee: Perseid Therapeutics LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Patent number: 8268587
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: September 18, 2012
    Assignee: Perseid Therapeutics LLC
    Inventors: Erik E Karrer, Madan M. Paidhungat, Steven H Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Patent number: 8071095
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: December 6, 2011
    Assignee: Perseid Therapeutics, LLC
    Inventors: Erik E Karrer, Madan M Paidhungat, Steven H Bass, Margaret Neighbors, Juha Punnonen, Steven J Chapin
  • Publication number: 20110182898
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Application
    Filed: March 16, 2011
    Publication date: July 28, 2011
    Applicant: PERSEID THERAPEUTICS LLC
    Inventors: ERIK E. KARRER, MADAN M. PAIDHUNGAT, STEVEN H. BASS, MARGARET NEIGHBORS, JUHA PUNNONEN, STEVEN J. CHAPIN
  • Publication number: 20110177071
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Application
    Filed: March 10, 2011
    Publication date: July 21, 2011
    Applicant: Perseid Therapeutics LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Publication number: 20110166324
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Application
    Filed: January 21, 2011
    Publication date: July 7, 2011
    Applicant: Perseid Therapeutics LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Publication number: 20110159542
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Application
    Filed: January 21, 2011
    Publication date: June 30, 2011
    Applicant: Perseid Therapeutics LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Publication number: 20110129875
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Application
    Filed: January 21, 2011
    Publication date: June 2, 2011
    Applicant: Perseid Therapeutics LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Publication number: 20110130546
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Application
    Filed: January 21, 2011
    Publication date: June 2, 2011
    Applicant: Perseid Therapeutics LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Publication number: 20100260759
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Application
    Filed: April 20, 2010
    Publication date: October 14, 2010
    Applicant: PERSEID THERAPEUTICS LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin, Sridhar Viswanathan, Brent R. Larsen
  • Patent number: 7794718
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: September 14, 2010
    Assignee: Perseid Therapeutics, LLC
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin
  • Publication number: 20090258031
    Abstract: The invention provides immunosuppressive polypeptides and nucleic acids encoding such polypeptides. In one aspect, the invention provides mutant CTLA-4 polypeptides and nucleic acids encoding mutant CTLA-4 polypeptides. Compositions and methods for utilizing such polypeptides and nucleic acids are also provided.
    Type: Application
    Filed: October 15, 2008
    Publication date: October 15, 2009
    Applicant: MAXYGEN, INC.
    Inventors: Erik E. Karrer, Madan M. Paidhungat, Steven H. Bass, Margaret Neighbors, Juha Punnonen, Steven J. Chapin, Sridhar Viswanathan, Brent R. Larsen