Prosecution Insights
Last updated: October 26, 2026

Padmaja S Rao, USPTO Patent Examiner

Listed by the USPTO as RAO, PADMAJA S

Tech Center 1600 • Art Units: 1627

This examiner grants 71% of resolved cases

Analysis

RAO, PADMAJA S has resolved 157 cases in Tech Center 1600 and Art Unit 1627. The allowance rate is 70.7%, the interview lift is 36.8%, and the median time to allowance is 1109 days. The figures show a solid observed allowance rate and a substantial interview-associated change.

The listed companies are Enyo Pharma, Massachusetts Institute of Technology, and AbbVie Inc. The listed firms are SALIWANCHIK, LLOYD & EISENSCHENK, BakerHostetler, and BALLARD SPAHR LLP. Practitioners should prepare interview discussions around claim scope, technical distinctions, and supporting evidence, then capture useful clarifications in the written record. The median timing should inform prosecution calendars, while the 157-case base provides context for evaluating the observed pattern.

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

Performance Statistics

70.7%
Allow Rate
+10.7% vs TC avg
207
Total Applications
+36.8%
Interview Lift
1109
Avg Prosecution Days
Based on 157 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
17.1%
§102 Novelty
32.1%
§103 Obviousness
26.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18551428 Compositions and Methods for Inhibiting and Treating Viral Infections Non-Final OA The Regents of the University of California
17291055 COMPOSITIONS AND METHODS USING A COMBINATION OF CURCUMIN AND AN OMEGA-3 FATTY ACID FOR CELLULAR ENERGY Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
18043163 HYDROXYNORKETAMINE COMPOUNDS AND METHODS OF USE THEREOF Non-Final OA THE UNITED STATES GOVERNMENT as represented by THE DEPARTMENT OF VETERANS AFFAIRS
18692018 PROCESS FOR PREPARING 5-FLUORO-4-IMINO-3-METHYL-1-(TOLUENE-4- SULFONYL)-3,4-DIHYDRO-1H-PYRIMIDIN-2-ONE Non-Final OA Adama Makhteshim Ltd.
17762878 PHARMACEUTICAL COMPOSITIONS COMPRISING POH DERIVATIVES Non-Final OA NeOnc Technologies, Inc.

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Frequently Asked Questions

What is examiner Padmaja S Rao's allowance rate?

70.7% of resolved applications examined by Padmaja S Rao were allowed (157 resolved cases), compared with 35.1% across Art Unit 1627 over the last five years.

Does an interview help with examiner Padmaja S Rao?

This examiner's interview lift is +36.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Padmaja S Rao take to allow a patent?

Applications allowed by Padmaja S Rao took 1,109 days on average from filing to allowance.

Which art unit does examiner Padmaja S Rao work in?

Padmaja S Rao examines applications in Art Unit 1627 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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