Prosecution Insights
Last updated: October 27, 2026

Umamaheswari Ramachandran, USPTO Patent Examiner

Listed by the USPTO as RAMACHANDRAN, UMAMAHESWARI

Tech Center 1600 • Art Units: 1617 1627 1629

This examiner grants 55% of resolved cases

Analysis

RAMACHANDRAN, UMAMAHESWARI has resolved 1193 cases in Tech Center 1600 and Art Unit 1617. The allowance rate is 54.8%, while the 53.7% interview lift is nearly as large as the allowance rate itself. The median time to allowance is 1128 days, so prosecution planning should account for a substantial interval before allowance.

The listed company experience includes Janssen Pharmaceuticals Inc., The Johns Hopkins University, and Nestlé S.A. The listed firms are Jones Day, THE FIRM OF HUESCHEN AND SAGE, and ARENTFOX SCHIFF LLP - Los Angeles. These matters suggest that interview preparation may warrant particular attention, while claim amendments and evidence should be developed with the examiner's allowance pattern in mind. The large resolved-case base gives the metrics a broad historical foundation.

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

Performance Statistics

54.8%
Allow Rate
-5.2% vs TC avg
1,230
Total Applications
+53.7%
Interview Lift
1128
Avg Prosecution Days
Based on 1193 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
7.5%
§102 Novelty
41.0%
§103 Obviousness
25.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18012446 USE OF N-PHENYLACETAMIDES HAVING P2X4 RECEPTOR ANTAGONISTIC ACTIVITY FOR TREATING CERTIAN OCULAR DISORDERS Non-Final OA The Johns Hopkins University
17596784 COMPOSITIONS AND METHODS TO POTENTIATE MUSCULOSKELETAL EFFECT OF ONE OR MORE ANABOLIC AMINO ACIDS Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18780629 METHODS FOR TREATING ATTENTION-DEFICIT/HYPERACTIVITY DISORDER Non-Final OA SK BIOPHARMACEUTICALS CO., LTD.
18926122 COMPOSITIONS CONTAINING A NON-CAFFEINE STIMULANT OR NOOTROPIC AND BETA-HYDROXYBUTYRATE OR PRECURSOR FOR INCREASING NEUROLOGICAL AND PHYSIOLOGICAL PERFORMANCE Final Rejection AXCESS GLOBAL SCIENCES, LLC
18842004 (3S,4R)-3-AMINO-4-(DIFLUOROMETHYL)CYCLOPENT-1-ENE-1-CARBOXYLIC ACID AND RELATED COMPOUNDS AS SELECTIVE INACTIVATORS OF ORNITHINE AMINOTRANSFERASE Non-Final OA Northwestern University
18656920 COMPOSITION COMPRISING TETRACYCLIC COMPOUND Non-Final OA CHUGAI SEIYAKU KABUSHIKI KAISHA
18715132 Tellurium-containing compounds and the use of treating bacterial infections thereof Non-Final OA Kaohsiung Medical University
18787713 COMBINATIONS COMPRISING POSITIVE ALLOSTERIC MODULATORS OR ORTHOSTERIC AGONISTS OF METABOTROPIC GLUTAMATERGIC RECEPTOR SUBTYPE 2 AND THEIR USE Non-Final OA JANSSEN PHARMACEUTICA NV
18754070 TREATMENT OF CIRCADIAN RHYTHM DISORDERS Non-Final OA Vanda Pharmaceuticals Inc.

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Frequently Asked Questions

What is examiner Umamaheswari Ramachandran's allowance rate?

54.8% of resolved applications examined by Umamaheswari Ramachandran were allowed (1,193 resolved cases), compared with 34.1% across Art Unit 1617 over the last five years.

Does an interview help with examiner Umamaheswari Ramachandran?

This examiner's interview lift is +53.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Umamaheswari Ramachandran take to allow a patent?

Applications allowed by Umamaheswari Ramachandran took 1,128 days on average from filing to allowance.

Which art unit does examiner Umamaheswari Ramachandran work in?

Umamaheswari Ramachandran examines applications in Art Unit 1617 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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