Prosecution Insights
Last updated: October 27, 2026

Subbalakshmi Prakash, USPTO Patent Examiner

Listed by the USPTO as PRAKASH, SUBBALAKSHMI

Tech Center 1700 • Art Units: 1657 1789 1791 1792 1793

This examiner grants 46% of resolved cases

Analysis

Subbalakshmi Prakash has 726 resolved cases in Tech Center 1700 and Art Unit 1657. The profile records a 45.6% allowance rate and a median of 1251 days to allowance. Interviews are associated with a 36.2% lift in the allowance rate. The figures support planning for a prolonged examination path in which interviews may help clarify technical distinctions but do not replace careful written claim analysis.

The leading companies are DSM IP Assets B.V., Ajinomoto Co., Inc., and WM. WRIGLEY JR. Company. The leading firms are Knobbe, Martens, Olson & Bear, LLP, McBee Moore & Vanik, IP, LLC, and OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P. The chemical and formulation context favors precise disclosure and amendment strategy.

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

Performance Statistics

45.6%
Allow Rate
-19.4% vs TC avg
775
Total Applications
+36.2%
Interview Lift
1251
Avg Prosecution Days
Based on 726 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
8.7%
§102 Novelty
54.2%
§103 Obviousness
27.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18911692 MULTI-LAYER FERMENTATION TANK FOR TEA LEAVES AND USE METHOD THEREOF Non-Final OA Zhejiang University
18579392 METHOD OF MAKING A POWDER EGG ANALOGUE Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
19291231 PROCESSING OF STARCH-PROTEIN PULSES Final Rejection KATHOLIEKE UNIVERSITEIT LEUVEN
18291819 PROCESS FOR PRODUCTION OF A FERMENTED MILK PRODUCT USING GLUCOSE-FRUCTOSE OXIDOREDUCTASE Final Rejection DSM IP Assets B.V.
18546604 COATED MEAT OR FISH SUBSTITUTE Non-Final OA DSM IP Assets B.V.
18430864 METHOD FOR IMPROVING FLAVOR OF FOOD Non-Final OA AJINOMOTO CO., INC.
18180374 PERFUME COMPOSITION Non-Final OA AJINOMOTO CO., INC.
17756295 LOW-DIGESTIBLE LEGUME STARCH Final Rejection ROQUETTE FRERES
18844054 LIQUID OIL AND/OR FAT FOR WATER-IN-OIL EMULSIONS, WATER-IN-OIL EMULSION, AND METHOD FOR INHIBITING SYNERESIS OF WATER-IN-OIL EMULSION Non-Final OA FUJI OIL HOLDINGS INC.
18293760 OIL-IN-WATER EMULSION CONTAINING INTERESTERIFIED OIL AND/OR FAT Non-Final OA FUJI OIL HOLDINGS INC.
18699822 PROCESS FOR IMPROVING FLAVOR OF MEAT ANALOGS Final Rejection GIVAUDAN SA

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Frequently Asked Questions

What is examiner Subbalakshmi Prakash's allowance rate?

45.6% of resolved applications examined by Subbalakshmi Prakash were allowed (726 resolved cases), compared with 34.7% across Art Unit 1657 over the last five years.

Does an interview help with examiner Subbalakshmi Prakash?

This examiner's interview lift is +36.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Subbalakshmi Prakash take to allow a patent?

Applications allowed by Subbalakshmi Prakash took 1,251 days on average from filing to allowance.

Which art unit does examiner Subbalakshmi Prakash work in?

Subbalakshmi Prakash examines applications in Art Unit 1657 in Tech Center 1700 (Chemistry & Materials).

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