Prosecution Insights
Last updated: October 27, 2026

Tzvi Samuel Tanenbaum, USPTO Patent Examiner

Listed by the USPTO as TANENBAUM, TZVI SAMUEL

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 69% of resolved cases

Analysis

TANENBAUM, TZVI SAMUEL is assigned to tech center 3700 and art unit 3744. The profile includes 800 resolved cases, a 68.6% allowance rate, and a median of 984 days to allowance. Interview lift is 9.3%, which supplies a limited additional signal beyond the allowance result.

Safran S.A., LG Electronics Inc., and Zhejiang Dunan Artificial Environment Co., Ltd. are the leading companies. The listed firms are Clifford Chi, A.P.C., AMPACC Law Group, PLLC, and Bayramoglu Law Offices LLC. Practitioners can use the sizable record to support general docket planning, while the modest interview lift favors a balanced approach combining interviews with written claim strategy.

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

Performance Statistics

68.6%
Allow Rate
-1.4% vs TC avg
823
Total Applications
+9.3%
Interview Lift
984
Avg Prosecution Days
Based on 800 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
16.1%
§102 Novelty
43.8%
§103 Obviousness
35.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18881552 VARIABLE LENGTH FIN HEAT EXCHANGER AND CORRESPONDING TURBOMACHINE Non-Final OA SAFRAN
18880802 VARIABLE HEIGHT FIN HEAT EXCHANGER AND CORRESPONDING TURBOMACHINE Non-Final OA SAFRAN
19095366 ICE MAKER AND METHOD FOR CONTROLLING ICE MAKER Non-Final OA LG ELECTRONICS INC.
19103625 STORAGE CHAMBER Non-Final OA LG ELECTRONICS INC.
18828191 IMMERSION COOLING TANK AND IMMERSION COOLING SYSTEM INCLUDING THE SAME Non-Final OA Delta Electronics, Inc.
18921756 STIRLING CYCLE HEAT PUMP WITH ACTUATED REGENERATOR AND INTEGRATED DISPLACER Final Rejection Raytheon Company
19065849 FIN STRUCTURE AND HEAT EXCHANGER HAVING SAME Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18981452 LIQUID DISTRIBUTOR AND HEAT EXCHANGER Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
19044146 VAPOR CHAMBER Non-Final OA PURPLE CLOUD DEVELOPMENT PTE. LTD.

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Frequently Asked Questions

What is examiner Tzvi Samuel Tanenbaum's allowance rate?

68.6% of resolved applications examined by Tzvi Samuel Tanenbaum were allowed (800 resolved cases), compared with 0.0% across Art Unit 3744 over the last five years.

Does an interview help with examiner Tzvi Samuel Tanenbaum?

This examiner's interview lift is +9.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tzvi Samuel Tanenbaum take to allow a patent?

Applications allowed by Tzvi Samuel Tanenbaum took 984 days on average from filing to allowance.

Which art unit does examiner Tzvi Samuel Tanenbaum work in?

Tzvi Samuel Tanenbaum examines applications in Art Unit 3744 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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