Patents by Inventor Steven D. DAVIN
Steven D. DAVIN 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: 12590142Abstract: Processes for producing and purifying recombinant proteins are disclosed. In particular, the present disclosure provides processes of producing and purifying multi-subunit proteins expressed in yeast or filamentous fungal cells. The production and/or purification of such proteins are monitored for impurities, preferably using lectin binding assays, such that one or more process parameters may be adjusted to maximize the amount of desired recombinant protein and minimize the amount of glycosylated impurities. The processes can also be monitored for other undesired product-associated impurities, such as aggregates and nucleic acids. In exemplary embodiments, the recombinant proteins are multi-subunit proteins, such as antibodies, the host cell is a yeast, such as Pichia pastoris, and the glycosylated impurity is a glycovariant of the desired recombinant polypeptide, such as an N-linked and/or O-linked glycovariant.Type: GrantFiled: January 10, 2020Date of Patent: March 31, 2026Assignee: H. LUNDBECK A/SInventors: Daniel S. Allison, Steven D. Davin, Hoa Binh Do, Leon F. Garcia-Martinez, Geoffrey F. Lee, Ethan W. Ojala, Mark Young, John A. Latham
-
Publication number: 20200223913Abstract: Processes for producing and purifying recombinant proteins are disclosed. In particular, the present disclosure provides processes of producing and purifying multi-subunit proteins expressed in yeast or filamentous fungal cells. The production and/or purification of such proteins are monitored for impurities, preferably using lectin binding assays, such that one or more process parameters may be adjusted to maximize the amount of desired recombinant protein and minimize the amount of glycosylated impurities. The processes can also be monitored for other undesired product-associated impurities, such as aggregates and nucleic acids. In exemplary embodiments, the recombinant proteins are multi-subunit proteins, such as antibodies, the host cell is a yeast, such as Pichia pastoris, and the glycosylated impurity is a glycovariant of the desired recombinant polypeptide, such as an N-linked and/or O-linked glycovariant.Type: ApplicationFiled: January 10, 2020Publication date: July 16, 2020Inventors: Daniel S. ALLISON, Steven D. DAVIN, Hoa Binh DO, Leon F. GARCIA-MARTINEZ, Geoffrey F. LEE, Ethan W. OJALA, Mark YOUNG, John A. LATHAM
-
Patent number: 10533045Abstract: Processes for producing and purifying recombinant proteins are disclosed. In particular, the present disclosure provides processes of producing and purifying multi-subunit proteins expressed in yeast or filamentous fungal cells. The production and/or purification of such proteins are monitored for impurities, preferably using lectin binding assays, such that one or more process parameters may be adjusted to maximize the amount of desired recombinant protein and minimize the amount of glycosylated impurities. The processes can also be monitored for other undesired product-associated impurities, such as aggregates and nucleic acids. In exemplary embodiments, the recombinant proteins are multi-subunit proteins, such as antibodies, the host cell is a yeast, such as Pichia pastoris, and the glycosylated impurity is a glycovariant of the desired recombinant polypeptide, such as an N-linked and/or O-linked glycovariant.Type: GrantFiled: October 21, 2016Date of Patent: January 14, 2020Assignee: ALDER BIOPHARMACEUTICALS, INC.Inventors: Daniel S. Allison, Steven D. Davin, Hoa Binh Do, Leon F. Garcia-Martinez, Geoffrey F. Lee, Ethan W. Ojala, Mark Young, John A. Latham
-
Publication number: 20170137500Abstract: Processes for producing and purifying recombinant proteins are disclosed. In particular, the present disclosure provides processes of producing and purifying multi-subunit proteins expressed in yeast or filamentous fungal cells. The production and/or purification of such proteins are monitored for impurities, preferably using lectin binding assays, such that one or more process parameters may be adjusted to maximize the amount of desired recombinant protein and minimize the amount of glycosylated impurities. The processes can also be monitored for other undesired product-associated impurities, such as aggregates and nucleic acids. In exemplary embodiments, the recombinant proteins are multi-subunit proteins, such as antibodies, the host cell is a yeast, such as Pichia pastoris, and the glycosylated impurity is a glycovariant of the desired recombinant polypeptide, such as an N-linked and/or O-linked glycovariant.Type: ApplicationFiled: October 21, 2016Publication date: May 18, 2017Inventors: Daniel S. ALLISON, Steven D. Davin, Hoa Binh Do, Leon F. Garcia-Martinez, Geoffrey F. Lee, Ethan W. Ojala, Mark Young, John A. Latham
-
Patent number: 9518082Abstract: Processes for producing and purifying recombinant proteins are disclosed. In particular, the present disclosure provides processes of producing and purifying multi-subunit proteins expressed in yeast or filamentous fungal cells. The production and/or purification of such proteins are monitored for impurities, preferably using lectin binding assays, such that one or more process parameters may be adjusted to maximize the amount of desired recombinant protein and minimize the amount of glycosylated impurities. The processes can also be monitored for other undesired product-associated impurities, such as aggregates and nucleic acids. In exemplary embodiments, the recombinant proteins are multi-subunit proteins, such as antibodies, the host cell is a yeast, such as Pichia pastoris, and the glycosylated impurity is a glycovariant of the desired recombinant polypeptide, such as an N-linked and/or O-linked glycovariant.Type: GrantFiled: March 17, 2014Date of Patent: December 13, 2016Assignee: ALDERBIO HOLDINGS LLCInventors: Daniel S. Allison, Steven D. Davin, Hoa Binh Do, Leon F. Garcia-Martinez, Geoffrey F. Lee, Ethan W. Ojala, Mark Young, John A. Latham
-
Publication number: 20140288272Abstract: Processes for producing and purifying recombinant proteins are disclosed. In particular, the present disclosure provides processes of producing and purifying multi-subunit proteins expressed in yeast or filamentous fungal cells. The production and/or purification of such proteins are monitored for impurities, preferably using lectin binding assays, such that one or more process parameters may be adjusted to maximize the amount of desired recombinant protein and minimize the amount of glycosylated impurities. The processes can also be monitored for other undesired product-associated impurities, such as aggregates and nucleic acids. In exemplary embodiments, the recombinant proteins are multi-subunit proteins, such as antibodies, the host cell is a yeast, such as Pichia pastoris, and the glycosylated impurity is a glycovariant of the desired recombinant polypeptide, such as an N-linked and/or O-linked glycovariant.Type: ApplicationFiled: March 17, 2014Publication date: September 25, 2014Applicant: ALDERBIO HOLDINGS LLCInventors: Daniel S. ALLISON, Steven D. DAVIN, Hoa Binh DO, Leon F. GARCIA-MARTINEZ, Geoffrey F. LEE, Ethan W. OJALA, Mark YOUNG, John A. LATHAM