Prosecution Insights
Last updated: October 27, 2026

Hashanthi Komitige Abeyratne-Perera, USPTO Patent Examiner

Listed by the USPTO as ABEYRATNE-PERERA, HASHANTHI KOMITIGE

Tech Center 1600 • Art Units: 1632 1633

This examiner grants 0% of resolved cases

Analysis

ABEYRATNE-PERERA, HASHANTHI KOMITIGE is assigned to Tech Center 1600 and Art Unit 1632. The record contains 2 resolved cases, with a 0.0% allowance rate and a median of 1133 days to allowance. The interview lift is 0.0%, so the available record shows no interview-associated change in allowance outcomes.

Nestlé S.A., Hoffmann-La Roche Inc., and Riken are the leading companies represented. SUGHRUE MION, PLLC, K&L Gates LLP-Nestec S.A., and Barron & Young PLLC are the leading firms shown. The extremely limited case base means the figures provide only narrow historical context, so practitioners should avoid drawing broad conclusions about examination behavior from this profile.

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

Performance Statistics

0.0%
Allow Rate
-60.0% vs TC avg
25
Total Applications
+0.0%
Interview Lift
1133
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

8.3%
§101 Eligibility
20.0%
§102 Novelty
30.0%
§103 Obviousness
36.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18965956 METHOD FOR PRODUCING RECOMBINANT AAV PARTICLES Non-Final OA Hoffmann-La Roche Inc.
18688649 KIDNEY ORGANOID AND METHOD FOR PRODUCING SAME Non-Final OA RIKEN
18580141 USE OF A STROMAL ANTIGEN TO DELIVER CELL-BASED CANCER THERAPY TO A SOLID TUMOR Non-Final OA The Regents of the University of California
18705367 METHOD FOR PRODUCING MILK LIKE PRODUCTS Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18705374 METHOD FOR PRODUCING MILK LIKE PRODUCTS Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18026789 A METHOD FOR EFFICIENT MICROGLIA REPLACEMENT Final Rejection The Board of Trustees of the Leland Stanford Junior University

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Frequently Asked Questions

What is examiner Hashanthi Komitige Abeyratne-Perera's allowance rate?

0.0% of resolved applications examined by Hashanthi Komitige Abeyratne-Perera were allowed (2 resolved cases), compared with 38.1% across Art Unit 1632 over the last five years.

Does an interview help with examiner Hashanthi Komitige Abeyratne-Perera?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hashanthi Komitige Abeyratne-Perera take to allow a patent?

Applications allowed by Hashanthi Komitige Abeyratne-Perera took 1,133 days on average from filing to allowance.

Which art unit does examiner Hashanthi Komitige Abeyratne-Perera work in?

Hashanthi Komitige Abeyratne-Perera examines applications in Art Unit 1632 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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