IP Library Granted Patent US 12,590,948
Granted Patent B2
US 12,590,948 · App. 16/548,516 · Granted Mar 31, 2026

Systems and methods for discovery and analysis of markers

Inventors: John T. Stults (Redwood City, CA); Alfred Greenquist (San Jose, CA); Alexander Sassi (Berkeley, CA)
Assignee: SEER, INC.
G01N33/50A61B5/150755G01N27/26G16B40/00G16B40/10H01J49/0027H01J49/165G16B20/00H01J49/00Y02A90/10Y10T436/117497
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Quick Facts
Patent No.
US 12,590,948
App. No.
16/548,516
Granted
Mar 31, 2026
Kind
B2
Abstract

A business method for use in classifying patient samples. The method includes steps of collecting case samples representing a clinical phenotypic state and control samples representing patients without said clinical phenotypic state. Preferably the system uses a mass spectrometry platform system to identify patterns of polypeptides in said case samples and in the control samples without regard to the specific identity of at least some of said polypeptides. Based on identified representative patterns of the state, the business method provides for the marketing of diagnostic products using representative patterns. The present invention relates to systems and methods for identifying new markers, diagnosing patients with a biological state of interest, and marketing/commercializing such diagnostics. The present invention relates to systems and methods of greater sensitivity, specificity, and/or cost effectiveness.

Claims (7)

1 . A system for analyzing biological samples comprising:

(a) a sample preparation device comprising a separation device, a sample ionizer, and an ion excitation device, wherein the separation device is configured to deplete a sample of highly abundant proteins that are present in the biological sample at a concentration of at least 10 μg/mL;

(b) a mass spectrometer coupled to said sample preparation device; and

(c) a switch coupled to said ion excitation device.

2 . A system for analyzing a biological sample comprising:

(a) a sample preparation device comprising a polypeptide denaturation device and a polypeptide removal device, wherein the sample preparation device is configured to deplete a sample of highly abundant proteins that are present in the biological sample at a concentration of at least 10 μg/mL; and

(b) a sample analysis device comprising a mass spectrometer, wherein said sample analysis device is configured to identify at least one biological marker of interest in said biological sample when the at least one biological marker is bound to a polypeptide that is removed in said polypeptide removal device.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 29, 2020
From: STULTS, JOHN T.; GREENQUIST, ALFRED; SASSI, ALEXANDER
To: PREDICANT BIOSCIENCES, INC.
Reel/Frame 052524/0928 →
CHANGE OF NAME Recorded Apr 29, 2020
From: PREDICANT BIOSCIENCES, INC.
To: PATHWORK DIAGNOSTICS, INC.
Reel/Frame 052525/0253 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 29, 2020
From: PATHWORK DIAGNOSTICS, INC.
To: NORVIEL, VERN
Reel/Frame 052530/0487 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 29, 2020
From: NORVIEL, VERN
To: SEER BIOSCIENCES, INC.
Reel/Frame 052530/0537 →
CHANGE OF NAME Recorded Apr 29, 2020
From: SEER BIOSCIENCES, INC.
To: SEER, INC.
Reel/Frame 052531/0947 →
Continuity (10)
Continuation 16132076 · Sep 14, 2018
Continuation 15388954 · Dec 22, 2016
Continuation 14166626 · Jan 28, 2014
Continuation 13018622 · Feb 1, 2011
Division 12172988 · Jul 14, 2008
Continuation 11178262 · Jul 8, 2005
Continuation In Part 10760100 · Jan 16, 2004
Continuation In Part 10645863 · Aug 20, 2003
Provisional Application 60473272 · May 22, 2003
Related Publication 20200041487A1 · Feb 6, 2020
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