Prosecution Insights
Last updated: October 27, 2026

Sisay G Tiku, USPTO Patent Examiner

Listed by the USPTO as TIKU, SISAY G

Tech Center 3600 • Art Units: 1795 2838 2839 3631

This examiner grants 92% of resolved cases

Analysis

TIKU, SISAY G. is assigned to USPTO tech center 3600 and art unit 1795. The profile covers 738 resolved cases, an allowance rate of 91.5%, and a median of 692 days to allowance. The interview lift is 9.1%. The combination of a broad case record, a high allowance rate, and the shortest recorded timing in this profile makes the examiner’s prosecution pattern especially useful for docket planning.

Texas Instruments Incorporated, Murata Manufacturing Co., Ltd., and Chengdu Monolithic Power Systems Co., Ltd. are the listed companies. The associated firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., BakerHostetler, and FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER. Semiconductor applicants may use these relationships to identify relevant experience with complex electronic technologies.

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

Performance Statistics

91.5%
Allow Rate
+39.5% vs TC avg
768
Total Applications
+9.1%
Interview Lift
692
Avg Prosecution Days
Based on 738 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
31.4%
§102 Novelty
50.7%
§103 Obviousness
11.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19013161 DC-DC CONVERTER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19113882 ACTIVE FILTER PRE-CHARGING FOR A CONVERTER WITH ACTIVE FILTER CELLS Non-Final OA ABB Schweiz AG
18963004 CONTROL METHOD AND POWER CONVERSION DEVICE Non-Final OA TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
18971200 POWER MODULE AND STATIC POWER CONVERTER Final Rejection Commissariat à l'Energie Atomique et aux Energies Alternatives
18952502 OPERATING FREQUENCY ADJUSTMENT FOR MISMATCHED POWER SUPPLY CIRCUITS Final Rejection QUALCOMM Incorporated
19044703 INVERTER DEVICE Non-Final OA MAZDA MOTOR CORPORATION
19101265 VOLTAGE-DOUBLER CIRCUIT CONTROL Non-Final OA Murata Manufacturing Co., Ltd.
19039729 POWER CONVERTER Non-Final OA Murata Manufacturing Co., Ltd.
19043587 ADAPTIVE SPREAD-SPECTRUM MODULATION FOR DC/DC CONVERTERS Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18453956 HYSTERIC CONTROL FOR RESONANT CONVERTERS Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18162410 CONTROLLER FOR SWITCHING CONVERTERS Non-Final OA TEXAS INSTRUMENTS INCORPORATED
19064599 LOW DROPOUT REGULATOR CIRCUITS, INPUT/OUTPUT DEVICE, AND METHODS FOR OPERATING A LOW DROPOUT REGULATOR Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
19070683 FEEDFORWARD CIRCUITRY SYSTEM FOR DIRECT AC-COUPLING AND METHOD FOR REGULATING VOLTAGE USING THEREOF Non-Final OA SKYECHIP BERHAD
19045334 POWER SUPPLY VOLTAGE CONTROL OF ISOLATED SWITCHING CIRCUIT AND METHOD THEREOF Non-Final OA Chengdu Monolithic Power Systems Co., Ltd.

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Frequently Asked Questions

What is examiner Sisay G Tiku's allowance rate?

91.5% of resolved applications examined by Sisay G Tiku were allowed (738 resolved cases), compared with 54.7% across Art Unit 1795 over the last five years.

Does an interview help with examiner Sisay G Tiku?

This examiner's interview lift is +9.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sisay G Tiku take to allow a patent?

Applications allowed by Sisay G Tiku took 692 days on average from filing to allowance.

Which art unit does examiner Sisay G Tiku work in?

Sisay G Tiku examines applications in Art Unit 1795 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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