Prosecution Insights
Last updated: October 02, 2026

Examiner: CHUNDURU, SURYAPRABHA

Tech Center 1600 • Art Units: 1634 1637 1671 1672 1681 1683

This examiner grants 53% of resolved cases

Analysis

Suryaprabha Chunduru is an examiner in Tech Center 1600 and Art Unit 1634. She has 728 resolved cases and an allowance rate of 53.3%. The median days to allowance for these cases is 1411. This 1411-day figure is a larger number than the 728 resolved cases. Practitioners can use the 1411-day median to allowance to estimate the timeline for reaching a final disposition. The 53.3% allowance rate provides a baseline for the probability of success in this art unit.

The interview lift for this examiner is 17.8%. This 17.8% lift is a smaller percentage than the 53.3% allowance rate. An interview lift of 17.8% indicates that applications with interviews have a higher probability of allowance than the base rate. Practitioners may consider the 17.8% lift when evaluating the necessity of an interview. The 728 resolved cases represent the total volume of data available for this examiner. Each figure, from the 1411 days to the 53.3% rate, helps define the prosecution environment in Art Unit 1634. The relationship between the 17.8% lift and the 53.3% rate is a key factor for strategy.

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

Performance Statistics

53.3%
Allow Rate
-6.7% vs TC avg
783
Total Applications
+17.8%
Interview Lift
1411
Avg Prosecution Days
Based on 728 resolved cases, 2023–2026

Rejection Statute Breakdown

4.3%
§101 Eligibility
29.6%
§102 Novelty
31.6%
§103 Obviousness
18.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17969419 COLORIMETRIC DETECTION OF NUCLEIC ACIDS Non-Final OA LIFE TECHNOLOGIES CORPORATION
18976515 METHODS OF MEASURING MISLOCALIZATION OF AN ANALYTE Non-Final OA 10x Genomics, Inc.
18943775 METHODS AND COMPOSITIONS FOR INTEGRATED IN SITU SPATIAL ASSAY Final Rejection 10x Genomics, Inc.
18662431 METHODS FOR SPATIAL ANALYSIS USING DNA CAPTURE Non-Final OA 10x Genomics, Inc.
18706482 EXTRACELLULAR RNA SIGNATURES OF MUTANT KRAS(G12C) CANCERS Non-Final OA The Regents of the University of California
18883232 RAPID ANEUPLOIDY DETECTION Final Rejection The Johns Hopkins University
16959869 SAMPLE PREPARATION AND FLOW-THROUGH SENSORS USING FUNCTIONALIZED SILICON NANOMEMBRANES Final Rejection University of Rochester
16963365 Methods of Amplifying Nucleic Acids and Compositions and Kits for Practicing the Same Non-Final OA Takara Bio USA, Inc.
17996846 ISOTHERMAL METHODS, COMPOSITIONS, KITS, AND SYSTEMS FOR DETECTING NUCLEIC ACIDS Non-Final OA PRESIDENT AND FELLOWS OF HARVARD COLLEGE
17594868 Systems and Methods for Ratiometric and Multiplexed Isothermal Amplification of Nucleic Acids Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17861077 ENHANCED NUCLEIC ACID IDENTIFICATION AND DETECTION Final Rejection CALIFORNIA INSTITUTE OF TECHNOLOGY
17621088 FORCED INTERCALATION (FIT)-APTAMERS: PROBES BASED ON FORCED INTERCALATION Final Rejection NORTHWESTERN UNIVERSITY
17330316 SYSTEMS AND METHODS FOR EPIGENETIC SEQUENCING Final Rejection The General Hospital Corporation
18694288 DNA VALENCY SORTING CHROMATOGRAPHY Non-Final OA The Trustees of Princeton University
17928184 METHOD FOR TREATING CELL POPULATION AND METHOD FOR ANALYZING GENES INCLUDED IN CELL POPULATION Final Rejection RIKEN
18697604 METHOD TO CONDUCT POLYMERASE CHAIN REACTION AMPLIFICATION OF BIOLOGICAL SAMPLE WITHOUT NUCLEIC ACIDS ISOLATION Non-Final OA UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
18939319 TEMPERATURE-SELECTABLE FRET CASSETTE SIGNALING Non-Final OA GEN-PROBE INCORPORATED
18694253 TEMPERATURE-SELECTABLE FRET CASSETTE SIGNALING Non-Final OA GEN-PROBE INCORPORATED
18361786 METHOD OF PERFORMING A LAB DEVELOPED TEST Non-Final OA GEN-PROBE INCORPORATED
17999324 AN INTEGRATED DIELECTROPHORESIS-TRAPPING AND NANOWELL TRANSFER APPROACH TO ENABLE DOUBLE-SUB-POISSON SINGLE-CELL RNA-SEQUENCING Non-Final OA Yale University
18694220 UNIVERSAL HAIRPIN PRIMER SYSTEM FOR QUANTIFICATION OF MICRORNA Non-Final OA The University of Chicago
18042965 A METHOD FOR DETERMINING A DIAGNOSTIC OUTCOME Final Rejection IMPERIAL COLLEGE INNOVATIONS LIMITED
18736835 CAPTURING AND AMPLIFYING POLYNUCLEOTIDES, AND REUSING FLOWCELLS, USING SILICA PARTICLES Non-Final OA Illumina, Inc.
18633966 CAPTURING AND AMPLIFYING POLYNUCLEOTIDES Non-Final OA Illumina, Inc.
17608537 MARKERS FOR IDENTIFYING AND QUANTIFYING OF NUCLEIC ACID SEQUENCE MUTATION, EXPRESSION, SPLICE VARIANT, TRANSLOCATION, COPY NUMBER, OR METHYLATION CHANGES Final Rejection CORNELL UNIVERSITY

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