Prosecution Insights
Last updated: October 02, 2026

Examiner: SALMON, KATHERINE D

Tech Center 1600 • Art Units: 1634 1671 1681 1682 1683

This examiner grants 43% of resolved cases

Analysis

Katherine D Salmon has resolved 797 cases in Tech Center 1600. The allowance rate is 42.8 percent. This figure reflects a challenging prosecution environment within Art Unit 1634. Practitioners should be prepared for a rigorous examination process where the 42.8 percent allowance rate indicates that grants are more difficult to obtain.

The interview lift is 37.9 percent. This high lift indicates that direct communication with the examiner is one of the most effective ways to improve the chances of allowance. A 37.9 percent increase in the probability of success following an interview is a strong indicator that personal engagement can significantly overcome initial rejections.

The median days to allowance is 1471. This is a lengthy pendency, suggesting that successful prosecution requires persistence. The combination of a low 42.8 percent allowance rate and high interview lift suggests that strategic interviews are essential for navigating the 1471 day timeline and achieving a successful outcome.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

42.8%
Allow Rate
-17.2% vs TC avg
908
Total Applications
+37.9%
Interview Lift
1471
Avg Prosecution Days
Based on 797 resolved cases, 2023–2026

Rejection Statute Breakdown

19.2%
§101 Eligibility
11.4%
§102 Novelty
28.6%
§103 Obviousness
34.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16309271 COMPOSITIONS AND METHODS FOR DETECTION OF NUCLEIC ACID MUTATIONS Final Rejection Natera, Inc.
18023598 PREDICTION OF A RESPONSE OF A PROSTATE CANCER SUBJECT TO THERAPY OR PERSONALIZATION OF THERAPY OF A PROSTATE CANCER SUBJECT Final Rejection KONINKLIJKE PHILIPS N.V.
18540517 BIOMARKERS FOR EARLY DIAGNOSIS AND DIFFERENTIATION OF MYCOBACTERIAL INFECTION Final Rejection Wisconsin Alumni Research Foundation
18787942 METHODS AND COMPOSITIONS FOR METHYLATION AND CHEMICALLY MODIFYING ASSISTED TAILORABLE ENDS Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18261091 LAYERED ANALYSIS OF METHYLATED BIOMARKERS FOR USE IN CANCER DIAGNOSIS AND PROGNOSIS Final Rejection The Board of Trustees of the Leland Stanford Junior University
18261874 METHODS FOR DETECTING utDNA Final Rejection Washington University
18575255 SINGLE-CELL PROFILING OF RNA TRANSLATION STATUS Non-Final OA Massachusetts Institute of Technology
18278800 ORAL CANCER DETECTION KIT, USE OF REAGENT, REAGENT, ORAL CANCER DETECTION DEVICE, INFORMATION ACQUISITION METHOD, AND PROGRAM Non-Final OA Tohoku University
18152346 Triggering Receptor Expressed On Myeloid Cells 2 (TREM2) Variants And Uses Thereof Non-Final OA Regeneron Pharmaceuticals, Inc.
18563676 LINKED AMPLIFICATION TETHERED WITH EXPONENTIAL RADIANCE Final Rejection CALIFORNIA INSTITUTE OF TECHNOLOGY
18595057 DIAGNOSIS OF ACUTE AND CHRONIC LUNG DISEASES BY QUANTIFYING SPINK1 LEVEL Non-Final OA Northwestern University
18548175 CELL-FREE BIOSENSORS WITH DNA STRAND DISPLACEMENT CIRCUITS Non-Final OA Northwestern University
18035888 High Throughput Microfluidics for Analysis of Immune Cell Activation Non-Final OA The General Hospital Corporation
18427553 Systems for Processing a Cellular Sample, Multi-Microwell Array-Flowcell Cartridges for Use Therein, and Methods of Use Thereof Final Rejection Becton, Dickinson and Company
18463282 USE OF SDHA AS A PROGNOSTIC MARKER AND THERAPEUTIC TARGET IN UVEAL MELANOMA Final Rejection Board of Regents, The University of Texas System
18050855 METHODS AND SYSTEMS FOR IMPROVING PATIENT MONITORING AFTER SURGERY Non-Final OA GUARDANT HEALTH, INC.
18269171 SELECTIVE LYSIS OF HUMAN BLOOD CELLS Final Rejection Roche Molecular Systems, Inc.
18557747 COMPOSITIONS AND METHODS FOR CHIMERIC AMPLICON FORMATION Final Rejection William Marsh Rice University
17984444 SURFACE-ENHANCED RAMAN SCATTERING (SERS) BIOSENSOR FOR DIAGNOSING PROSTATE CANCER WITH HIGH SENSITIVITY Non-Final OA Korea University Research and Business Foundation
18575242 ANALOG CIRCUIT TO COMPENSATE BIAS OFFSET IN AMPLIFIER ARRAY Non-Final OA ILLUMINA, INC.
18568366 DETECTING METHYLCYTOSINE USING A MODIFIED BASE OPPOSITE TO THE METHYLCYTOSINE Final Rejection ILLUMINA, INC.
18323031 DETECTING PROSTATE CANCER Non-Final OA Exact Sciences Corporation
17587963 DETECTING THE PRESENCE OR ABSENCE OF MULTIPLE TYPES OF CANCER Non-Final OA Exact Sciences Corporation
18011145 METHYLATED DNA FRAGMENT ENRICHMENT, METHODS, COMPOSITIONS AND KITS Final Rejection GRAIL, INC
18015989 Methods for Classifying Cancer Final Rejection Kingston Health Sciences Centre

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