Prosecution Insights
Last updated: October 26, 2026

Rohit Parthasarathy, USPTO Patent Examiner

Listed by the USPTO as PARTHASARATHY, ROHIT

Tech Center 4100 • Art Units: 2899 4100

This examiner grants 90% of resolved cases

Analysis

Examiner Rohit Parthasarathy is assigned to Tech Center 4100 and Art Unit 2899. The profile shows 51 resolved cases with an allowance rate of 90.2 percent. This allowance rate is higher than the interview lift of 13.2 percent. The median days to allowance for cases that reach a grant is 1168.

The 90.2 percent allowance rate indicates the proportion of the 51 resolved cases that result in a patent grant. An interview lift of 13.2 percent suggests that direct engagement with the examiner is a factor in the prosecution process. Practitioners should evaluate the 1168 median days to allowance when determining the expected timeline for their applications.

Top companies appearing in this record include International Business Machines Corporation, Taiwan Semiconductor Manufacturing Company, Ltd., and Samsung Electronics Co., Ltd. Representation is provided by firms such as Li & Cai Intellectual Property(USA) office, RYAN, MASON & LEWIS, LLP, and DORITY & MANNING, P.A. These firms navigate the 90.2 percent allowance rate and the 1168 median days to allowance.

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

Performance Statistics

90.2%
Allow Rate
+30.2% vs TC avg
71
Total Applications
+13.2%
Interview Lift
1168
Avg Prosecution Days
Based on 51 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
23.4%
§102 Novelty
57.4%
§103 Obviousness
17.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18605431 SEMICONDUCTOR PACKAGE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18686234 SEMICONDUCTOR HETEROSTRUCTURES WITH SCANDIUM III-NITRIDE LAYER Final Rejection The Regents of the University of Michigan
18800131 DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18229959 Capacitor Carrier Ring And Stiffener For Integrated Circuit Package Assembly Final Rejection Google LLC
18604150 WRAP AROUND METAL CONTACT Final Rejection International Business Machines Corporation
18586753 STACKED STRUCTURES WITH SPLIT DEVICE LAYERS Non-Final OA International Business Machines Corporation
19283746 INTEGRATED CIRCUIT AND METHOD OF FORMING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18510523 SEAL RING STRUCTURE AND METHOD OF FORMING SAME Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Rohit Parthasarathy's allowance rate?

90.2% of resolved applications examined by Rohit Parthasarathy were allowed (51 resolved cases), compared with 81.9% across Art Unit 2899 over the last five years.

Does an interview help with examiner Rohit Parthasarathy?

This examiner's interview lift is +13.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Rohit Parthasarathy take to allow a patent?

Applications allowed by Rohit Parthasarathy took 1,168 days on average from filing to allowance.

Which art unit does examiner Rohit Parthasarathy work in?

Rohit Parthasarathy examines applications in Art Unit 2899 in Tech Center 4100.

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