Patents by Inventor Stacey L. Lee

Stacey L. Lee 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).

  • Publication number: 20180291412
    Abstract: The invention is a process for improved production of a recombinant mammalian protein by expression in a Pseudomonad, particularly in a Pseudomonas fluorescens organism. The process improves production of mammalian proteins, particularly human or human-derived proteins, over known expression systems such as E. coli in comparable circumstances. Processes for improved production of isolated mammalian, particularly human, proteins are provided.
    Type: Application
    Filed: June 21, 2018
    Publication date: October 11, 2018
    Inventors: Diane M. Retallack, Charles H. Squires, David C. Watkins, Stacey L. Lee, Frank H. Gaertner, Robert Shutter
  • Patent number: 10041102
    Abstract: The invention is a process for improved production of a recombinant mammalian protein by expression in a Pseudomonad, particularly in a Pseudomonas fluorescens organism. The process improves production of mammalian proteins, particularly human or human-derived proteins, over known expression systems such as E. coli in comparable circumstances. Processes for improved production of isolated mammalian, particularly human, proteins are provided.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: August 7, 2018
    Assignee: PFENEX INC.
    Inventors: Diane M. Retallack, Charles H. Squires, David C. Watkins, Stacey L. Lee, Frank H. Gaertner, Robert Shutter
  • Publication number: 20170051327
    Abstract: The invention is a process for improved production of a recombinant mammalian protein by expression in a Pseudomonad, particularly in a Pseudomonas fluorescens organism. The process improves production of mammalian proteins, particularly human or human-derived proteins, over known expression systems such as E. coli in comparable Circumstances Processes for improved production of isolated mammalian, particularly human, proteins are provided.
    Type: Application
    Filed: August 5, 2016
    Publication date: February 23, 2017
    Inventors: Diane M. Retallack, Charles H. Squires, David C. Watkins, Stacey L. Lee, Frank H. Gaertner, Robert Shutter
  • Patent number: 9458487
    Abstract: The invention is a process for improved production of a recombinant mammalian protein by expression in a Pseudomonad, particularly in a Pseudomonas fluorescens organism. The process improves production of mammalian proteins, particularly human or human-derived proteins, over known expression systems such as E. coli in comparable circumstances Processes for improved production of isolated mammalian, particularly human, proteins are provided.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: October 4, 2016
    Assignee: PFENEX, INC.
    Inventors: Diane M. Retallack, Charles H. Squires, David C. Watkins, Stacey L. Lee, Frank H. Gaertner, Robert Shutter
  • Patent number: 9453251
    Abstract: The invention is a process for improved production of a recombinant mammalian protein by expression in a Pseudomonad, particularly in a Pseudomonas fluorescens organism. The process improves production of mammalian proteins, particularly human or human-derived proteins, over known expression systems such as E. coli in comparable circumstances Processes for improved production of isolated mammalian, particularly human, proteins are provided.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: September 27, 2016
    Assignee: PFENEX INC.
    Inventors: Diane M. Retallack, Charles H. Squires, David C. Watkins, Stacey L. Lee, Frank H. Gaertner, Robert Shutter
  • Patent number: 8318481
    Abstract: Provided herein are improved copy number plasmids, particularly those plasmids capable of replication in a bacterial cell. The improved copy number plasmid contain a deletion, insertion, or substitution in the replication control region, particularly a Pseudomonas-specific replication control region, that results in an increase in plasmid copy number in comparison to a control plasmid. Also provided are host cells containing the improved copy number plasmids, as well as methods of using the improved copy number plasmids for the recombinant production of a protein of interest. Further provided are methods for generating plasmids with improved copy number. The methods disclosed herein involve the reiterative selection of improved copy number plasmids by the growth and selection of plasmids capable of growth under increasing selective pressure, wherein the selective pressure is applied utilizing a selection agent to which the control plasmid confers resistance.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: November 27, 2012
    Assignee: Pfenex Inc.
    Inventors: Lawrence C. Chew, Stacey L. Lee
  • Publication number: 20110020868
    Abstract: Compositions and methods for improving expression and/or secretion of a polypeptide of interest in a host cell are provided. Compositions including a coding sequence for a bacterial secretion signal peptide are provided. The compositions of the invention are useful for increasing accumulation of properly processed proteins in the periplasmic space of a host cell, or for increasing secretion of properly processed proteins. In particular, isolated secretion signal peptide-encoding nucleic acid molecules are provided. Additionally, amino acid sequences corresponding to the nucleic acid molecules are encompassed. The present invention provides for isolated nucleic acid molecules including nucleotide sequences encoding the amino acid sequences shown in SEQ ID NO: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, and 24, and the nucleotide sequences set forth in SEQ ID NO: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 23, as well as variants and fragments thereof.
    Type: Application
    Filed: September 16, 2010
    Publication date: January 27, 2011
    Applicant: PFENEX, INC.
    Inventors: Russell J. Coleman, Diane Retallack, Stacey L. Lee, Charles D. Hershberger
  • Patent number: 7833752
    Abstract: Compositions and methods for improving expression and/or secretion of a polypeptide of interest in a host cell are provided. Compositions including a coding sequence for a bacterial secretion signal peptide are provided. The compositions of the invention are useful for increasing accumulation of properly processed proteins in the periplasmic space of a host cell, or for increasing secretion of properly processed proteins. In particular, isolated secretion signal peptide-encoding nucleic acid molecules are provided. Additionally, amino acid sequences corresponding to the nucleic acid molecules are encompassed. The present invention provides for isolated nucleic acid molecules including nucleotide sequences encoding the amino acid sequences shown in SEQ ID NO:2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, and 24, and the nucleotide sequences set forth in SEQ ID NO:1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 23, as well as variants and fragments thereof.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: November 16, 2010
    Assignee: Pfenex, Inc.
    Inventors: Russell J. Coleman, Diane M. Retallack, Stacey L. Lee, Charles D. Hershberger
  • Publication number: 20090162898
    Abstract: Provided herein are improved copy number plasmids, particularly those plasmids capable of replication in a bacterial cell. The improved copy number plasmid contain a deletion, insertion, or substitution in the replication control region, particularly a Pseudomonas-specific replication control region, that results in an increase in plasmid copy number in comparison to a control plasmid. Also provided are host cells containing the improved copy number plasmids, as well as methods of using the improved copy number plasmids for the recombinant production of a protein of interest. Further provided are methods for generating plasmids with improved copy number. The methods disclosed herein involve the reiterative selection of improved copy number plasmids by the growth and selection of plasmids capable of growth under increasing selective pressure, wherein the selective pressure is applied utilizing a selection agent to which the control plasmid confers resistance.
    Type: Application
    Filed: December 5, 2008
    Publication date: June 25, 2009
    Applicant: Dow Global Technologies Inc.
    Inventors: Lawrence C. Chew, Stacey L. Lee