Prosecution Insights
Last updated: October 27, 2026

Suryaprabha Chunduru, USPTO Patent Examiner

Listed by the USPTO as CHUNDURU, SURYAPRABHA

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

This examiner grants 53% of resolved cases

Analysis

CHUNDURU, SURYAPRABHA has resolved 733 cases in Tech Center 1600 and Art Unit 1634. The allowance rate is 53.3%, and the median time to allowance is 1417 days. The outcome record is nearly divided between allowance and non-allowance, while the median time indicates that successful prosecution commonly involves a prolonged path.

The interview lift is 17.2%, supporting interviews as a potentially useful part of prosecution planning. The leading companies are 10x Genomics Inc., GEN-PROBE Incorporated, and Riken. The leading firms are Casimir Jones, S.C., FOLEY & LARDNER LLP, and Conley Rose, P.C. Counsel should prepare both interview positions and fallback claim strategies for matters facing persistent examination issues.

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
794
Total Applications
+17.2%
Interview Lift
1417
Avg Prosecution Days
Based on 733 resolved cases, 2023–2026

Rejection Statute Breakdown

4.5%
§101 Eligibility
29.7%
§102 Novelty
31.4%
§103 Obviousness
18.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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.
17928184 METHOD FOR TREATING CELL POPULATION AND METHOD FOR ANALYZING GENES INCLUDED IN CELL POPULATION Final Rejection RIKEN
18883232 RAPID ANEUPLOIDY DETECTION Final Rejection The Johns Hopkins University
17330316 SYSTEMS AND METHODS FOR EPIGENETIC SEQUENCING Final Rejection The General Hospital Corporation
18706482 EXTRACELLULAR RNA SIGNATURES OF MUTANT KRAS(G12C) CANCERS Non-Final OA The Regents of the University of California
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
18694288 DNA VALENCY SORTING CHROMATOGRAPHY Non-Final OA The Trustees of Princeton University
17996846 ISOTHERMAL METHODS, COMPOSITIONS, KITS, AND SYSTEMS FOR DETECTING NUCLEIC ACIDS Non-Final OA PRESIDENT AND FELLOWS OF HARVARD COLLEGE
17972111 DEVICES AND METHODS FOR NUCLEIC ACID EXTRACTION-FREE STI PATHOGEN TESTING Final Rejection THE REGENTS OF THE UNIVERSITY OF COLORADO
17608537 MARKERS FOR IDENTIFYING AND QUANTIFYING OF NUCLEIC ACID SEQUENCE MUTATION, EXPRESSION, SPLICE VARIANT, TRANSLOCATION, COPY NUMBER, OR METHYLATION CHANGES Final Rejection CORNELL UNIVERSITY
18939319 TEMPERATURE-SELECTABLE FRET CASSETTE SIGNALING Non-Final OA GEN-PROBE INCORPORATED
18694253 TEMPERATURE-SELECTABLE FRET CASSETTE SIGNALING Non-Final OA GEN-PROBE INCORPORATED
18042965 A METHOD FOR DETERMINING A DIAGNOSTIC OUTCOME Final Rejection IMPERIAL COLLEGE INNOVATIONS LIMITED
18023105 METHOD FOR POSITIVE CONTROL REACTION USING PRE-POSITIVE CONTROL COMPOSITION Final Rejection SEEGENE, INC.
18633966 CAPTURING AND AMPLIFYING POLYNUCLEOTIDES Non-Final OA Illumina, Inc.

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Frequently Asked Questions

What is examiner Suryaprabha Chunduru's allowance rate?

53.3% of resolved applications examined by Suryaprabha Chunduru were allowed (733 resolved cases), compared with 30.4% across Art Unit 1634 over the last five years.

Does an interview help with examiner Suryaprabha Chunduru?

This examiner's interview lift is +17.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Suryaprabha Chunduru take to allow a patent?

Applications allowed by Suryaprabha Chunduru took 1,417 days on average from filing to allowance.

Which art unit does examiner Suryaprabha Chunduru work in?

Suryaprabha Chunduru examines applications in Art Unit 1634 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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