Prosecution Insights
Last updated: October 27, 2026

Margaret D Klunk, USPTO Patent Examiner

Listed by the USPTO as KLUNK, MARGARET D

Tech Center 2800 • Art Units: 1712 1713 1716 1718 1759 2897

This examiner grants 44% of resolved cases

Analysis

Margaret D. Klunk works in Tech Center 2800 and Art Unit 1712. The profile records 443 resolved cases, a 44.0% allowance rate, and a median of 1,388 days to allowance. The interview lift is 31.5%, indicating a positive association between interviews and allowance in this dataset.

The listed companies are Applied Materials Inc., ASM IP Holding B.V., and Taiwan Semiconductor Manufacturing Company, Ltd. The listed firms are Snell & Wilmer (ASM IP Holding B.V.), Anova Law Group, PLLC, and Ascenda Law Group, PC. The 44.0% allowance rate shows that prosecution outcomes are mixed in the reported record, making claim development and response strategy important. The 31.5% interview lift supports considering examiner discussions, while the 1,388-day median highlights the need for timeline planning.

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

Performance Statistics

44.0%
Allow Rate
-24.0% vs TC avg
495
Total Applications
+31.5%
Interview Lift
1388
Avg Prosecution Days
Based on 443 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
11.7%
§102 Novelty
51.5%
§103 Obviousness
28.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18224312 DEPOSITION APPARATUS Final Rejection Samsung Display Co., LTD.
18388578 METHOD AND DEVICE FOR DEPOSITING SILICON ONTO SUBSTRATES Final Rejection ASM IP Holding B.V.
17896218 CVD APPARATUS AND METHOD FOR CLEANING CHAMBER OF CVD APPARATUS Final Rejection ASM IP Holding B.V.
17895370 SEALING SYSTEM FOR A REACTOR SYSTEM Non-Final OA ASM IP Holding B.V.
17689392 SUBSTRATE PROCESSING APPARATUS Final Rejection ASM IP Holding B.V.
18187342 ELECTRON EXCITATION ATOMIC LAYER ETCH Final Rejection Lam Research Corporation
17912358 CERAMIC ADDITIVE MANUFACTURING TECHNIQUES FOR GAS INJECTORS Non-Final OA Lam Research Corporation
18588315 SUBSTRATE PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18588371 SUBSTRATE PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18325423 ETCHING METHOD AND PLASMA PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18531857 SHIELDING PLASMA ETCHING DATA COLLECTION WINDOWS USING POSITIVELY CHARGED CONDUCTIVE FILMS Non-Final OA International Business Machines Corporation
18282292 ETCHING PLASMA PROCESSING APPARATUS INCLUDING CONSUMABLE METAL MEMBER Final Rejection Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
18646597 NOZZLE ASSEMBLY FOR A FLUID RECOVERY SYSTEM Non-Final OA Applied Materials, Inc.
18442378 METHOD AND APPARATUS FOR SUBSTRATE NOTCH SENSING ON CMP HEAD FOR LOCAL PLANARIZATION Non-Final OA Applied Materials, Inc.
18484165 PEDESTAL HEATER WITH SUBSTRATE TEMPERATURE MEASUREMENT SYSTEM Non-Final OA Applied Materials, Inc.
17893430 CLAMPED DUAL-CHANNEL SHOWERHEAD Final Rejection Applied Materials, Inc.
17831781 PLASMA CHAMBER WITH A MULTIPHASE ROTATING CROSS-FLOW WITH UNIFORMITY TUNING Non-Final OA Applied Materials, Inc.
17380788 FACE-UP WAFER EDGE POLISHING APPARATUS Final Rejection Applied Materials, Inc.
17232563 VALVE BOX MODULE, SEMICONDUCTOR DEVICE MANUFACTURING SYSTEM AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18787915 SYSTEM AND METHOD FOR PLASMA ENHANCED ATOMIC LAYER DEPOSITION WITH PROTECTIVE GRID Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
17883128 METHOD FOR MANUFACTURING SEMICONDUCTOR WAFER WITH WAFER CHUCK HAVING FLUID GUIDING STRUCTURE Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
19082746 SUBSTRATE PROCESSING APPARATUS, NOZZLE, METHOD OF PROCESSING SUBSTRATE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND RECORDING MEDIUM Non-Final OA KOKUSAI ELECTRIC CORPORATION
18458866 SUBSTRATE PROCESSING APPARATUS AND PROTECTIVE LAYER FORMING METHOD Final Rejection Ebara Corporation
18181295 SUBSTRATE PROCESSING APPARATUS Final Rejection SCREEN Holdings Co., Ltd.
18381647 PROCESSING APPARATUS AND PROCESSING METHOD Non-Final OA United Semiconductor (Xiamen) Co., Ltd.
18409805 ATOMIC LAYER DEPOSITION APPARATUS Final Rejection Industrial Technology Research Institute
18394198 APPARATUS AND METHOD FOR TREATING SUBSTRATE Final Rejection SEMES CO., LTD.
18507065 FOCUS RING INSPECTION DEVICE AND FOCUS RING INSPECTION METHOD Non-Final OA SEMES CO., LTD.

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Frequently Asked Questions

What is examiner Margaret D Klunk's allowance rate?

44.0% of resolved applications examined by Margaret D Klunk were allowed (443 resolved cases), compared with 43.3% across Art Unit 1712 over the last five years.

Does an interview help with examiner Margaret D Klunk?

This examiner's interview lift is +31.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Margaret D Klunk take to allow a patent?

Applications allowed by Margaret D Klunk took 1,388 days on average from filing to allowance.

Which art unit does examiner Margaret D Klunk work in?

Margaret D Klunk examines applications in Art Unit 1712 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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