Prosecution Insights
Last updated: October 26, 2026

Ram N Kackar, USPTO Patent Examiner

Listed by the USPTO as KACKAR, RAM N

Tech Center 2600 • Art Units: 1711 1713 1716 1718 1792 2615

This examiner grants 41% of resolved cases

Analysis

KACKAR, RAM N works in Tech Center 2600 and Art Unit 1711. The profile records 520 resolved cases and a 40.6% allowance rate. Allowance occurred in less than half of the recorded cases, indicating that applicants should prepare for substantive examination and develop claim positions with careful attention to the cited art.

The interview lift is 57.8%, the strongest positive interview association in this profile. That result makes interview preparation a particularly important consideration, although the allowance history shows that interviews should supplement rather than replace detailed written amendments and arguments. The median time to allowance is 1435 days, indicating a prolonged prosecution path. The leading companies are Applied Materials Inc., Lam Research Corporation, and Tokyo Electron Limited. The listed firms are Muir Patent Law, PLLC, Chrisman Gallo Tochtrop LLC, and MILES & STOCKBRIDGE PC.

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

Performance Statistics

40.6%
Allow Rate
-21.4% vs TC avg
555
Total Applications
+57.8%
Interview Lift
1435
Avg Prosecution Days
Based on 520 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
15.1%
§102 Novelty
57.0%
§103 Obviousness
23.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18508704 PROCESS CHAMBER CLEANING APPARATUS AND METHOD Non-Final OA Samsung Electronics Co., Ltd.
18136448 PLASMA PROCESSING APPARATUS Final Rejection SAMSUNG ELECTRONICS CO., LTD.
17147827 SUBSTRATE TREATMENT APPARATUS AND SUBSTRATE TREATMENT METHOD FOR MONITORING INTEGRATED VALUE Non-Final OA ASM IP Holding B.V.
18250740 Wear Compensating Confinement Ring Non-Final OA Lam Research Corporation
18013475 CONTROLLING TEMPERATURE PROFILES OF PLASMA CHAMBER COMPONENTS USING STRESS ANALYSIS Non-Final OA LAM RESEARCH CORPORATION
18730100 PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18353757 PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD Final Rejection TOKYO ELECTRON LIMITED
18296944 PLASMA PROCESSING SYSTEMS WITH MATCHING NETWORK AND METHODS Non-Final OA Tokyo Electron Limited
17278423 PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD Non-Final OA Hitachi High-Tech Corporation
18630981 BACKING PLATE AND DIFFUSER PLATE ASSEMBLY Non-Final OA Applied Materials, Inc.
18206847 CCP GAS DELIVERY NOZZLE Final Rejection Applied Materials, Inc.
18142654 LARGE-AREA HIGH-DENSITY PLASMA PROCESSING CHAMBER FOR FLAT PANEL DISPLAYS Final Rejection Applied Materials, Inc.
18102055 RF GROUNDING CONFIGURATION FOR PEDESTALS Non-Final OA Applied Materials, Inc.
17893018 GROUND PATH SYSTEMS FOR PROVIDING A SHORTER AND SYMMETRICAL GROUND PATH Final Rejection Applied Materials, Inc.
18790913 SEMICONDUCTOR PROCESSING TOOL AND METHOD OF USING AN EMBEDDED CHAMBER Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Ram N Kackar's allowance rate?

40.6% of resolved applications examined by Ram N Kackar were allowed (520 resolved cases), compared with 63.9% across Art Unit 1711 over the last five years.

Does an interview help with examiner Ram N Kackar?

This examiner's interview lift is +57.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ram N Kackar take to allow a patent?

Applications allowed by Ram N Kackar took 1,435 days on average from filing to allowance.

Which art unit does examiner Ram N Kackar work in?

Ram N Kackar examines applications in Art Unit 1711 in Tech Center 2600 (Communications).

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