Prosecution Insights
Last updated: October 02, 2026

Examiner: FRITCHMAN, REBECCA M

Tech Center 1700 • Art Units: 1645 1652 1758 1759 1767 1777 1796 1797

This examiner grants 46% of resolved cases

Analysis

Rebecca M. Fritchman examines cases in Tech Center 1700 and Art Unit 1645, with 663 resolved cases. The allowance rate is 45.7%, and the median days to allowance is 1470. This indicates a specific prosecution environment. The 663 resolved cases provide a stable baseline for these metrics.

The interview lift is 35.3%, which is a significant positive factor. This 35.3% lift is high relative to the 45.7% allowance rate. Despite the 1470-day median pendency, an interview can dramatically improve the odds of success. Practitioners should prioritize interviews as a primary strategy. The 35.3% lift and 45.7% allowance rate are the key data points for applicants. Success typically follows the 1470-day median path in this art unit.

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

Performance Statistics

45.7%
Allow Rate
-19.3% vs TC avg
753
Total Applications
+35.3%
Interview Lift
1470
Avg Prosecution Days
Based on 663 resolved cases, 2023–2026

Rejection Statute Breakdown

5.4%
§101 Eligibility
8.8%
§102 Novelty
59.4%
§103 Obviousness
20.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19462819 MASS SPECTROMETRY OF STEROIDAL COMPOUNDS IN MULTIPLEX SAMPLES Final Rejection Quest Diagnostics Investments Incorporated
18147094 USE OF BIOMARKERS TO DETERMINE SUB-ACUTE TRAUMATIC BRAIN INJURY (TBI) IN A SUBJECT HAVING RECEIVED A HEAD COMPUTERIZED TOMOGRAPHY (CT) SCAN THAT IS NEGATIVE FOR A TBI OR NO HEAD CT SCAN Non-Final OA Abbott Laboratories
18604429 METABOLOMIC ANALYSIS Non-Final OA Genentech, Inc.
17423868 Urine metabolomics based method of detecting renal allograft injury Non-Final OA The Regents of the University of California
17633917 BIOMARKERS FOR NEURODEGENERATIVE DISORDERS Non-Final OA The Johns Hopkins University
17435471 HEMOLYSIS DETECTION BLOOD TESTING DEVICE Non-Final OA Siemens Healthcare Diagnostics Inc.
17842433 CSF-BASED PROGNOSTIC BIOMARKERS IN ALZHEIMER'S DISEASE AND METHODS OF USE THEREOF Final Rejection Emory University
17787015 ENDOTOXIN DETECTION Final Rejection Eli Lilly and Company
18696187 METHOD FOR DETECTING AND/OR QUANTIFYING MOOD DISORDER AND/OR IMPROVEMENTS OF THE MOOD DISORDER STATUS USING TRIGONELLINE AS BIOMARKER AND IMPROVED METHODS AND COMPOSITIONS THEREOF Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18559869 METHOD FOR DETERMINING PERSONALIZED OMEGA-3 DOSE Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
18718434 METHOD FOR QUANTIFYING CARBON IN CARBIDES Non-Final OA JFE STEEL CORPORATION
18606302 Proteomic Risk Score For Osteoarthritis (OA) Non-Final OA Regeneron Pharmaceuticals, Inc.
18221934 ISOELECTRIC FOCUSING-BASED ENRICHMENT OF CHARGE VARIANT SPECIES Non-Final OA Regeneron Pharmaceuticals, Inc.
18286403 Sample Conveying Device, Sample Analysis System, and Sample Pretreatment System Final Rejection Hitachi High-Tech Corporation
17880676 TARGET MATERIAL IDENTIFICATION METHOD Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18028235 CIRCULATING TOTAL-NT-PROBNP (GLYCOSYLATED AND UNGLYCOSYLATED NT-PROBNP) AND ITS RATIO WITH NT-PROBNP (UNGLYCOSYLATED NT-PROBNP) IN THE ASSESSMENT OF ATRIAL FIBRILLATION Final Rejection Roche Diagnostics Operations, Inc.
19187629 BIOMARKER-BASED TREATMENT AND DIAGNOSTIC METHODS FOR IL-17-DEPENDENT CONDITIONS Non-Final OA MOONLAKE IMMUNOTHERAPEUTICS AG
18027393 CONTINUOUS OPTICAL APTAMER SENSORS Final Rejection University Of Cincinnati
17436218 IN VIVO REVERSIBILITY OF HIGH MOLECULAR WEIGHT SPECIES Non-Final OA AMGEN INC.
18014901 GUIDING BLOOD PRODUCT ADMINISTRATION TO MITIGATE BLEEDING RISK Non-Final OA CHILDREN'S MEDICAL CENTER CORPORATION
16978959 DETECTION OF ALZHEIMER'S DISEASE (AD), FRONTOTEMPORAL LOBAR DEGENERATION (FTLD), AMYOTROPHIC LATERAL SCHLEROSIS (ALS), PARKINSON'S DISEASE (PD), AND DEMENTIA WITH LEWY BODIES (DLB) INDICATED BY PHOSPHORYLATION OF MARCKS Final Rejection DENKA COMPANY LIMITED
18639371 ALKENE DETECTION OF OZONE Non-Final OA Hach Company
16766956 DETECTION OF BIOMARKERS Non-Final OA Imperial College of Science, Technology and Medicine
18599007 METHODS AND SYSTEMS FOR ESTIMATING AN AMOUNT OF A SEQUESTERED CARBON CONSTITUENT IN TOP AND SUB SOIL Non-Final OA QuantumPro, Inc.
18689552 SOLUTION FOR THE PRESERVATION OF CELLS Non-Final OA ANACYTE LABORATORIES GMBH
18021229 METHOD FOR DIAGNOSING ACTING OF NERVONIC ACID AND USE THEREOF Non-Final OA BAO FENG BIOTECH (BEIJING) CO., LTD

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month