Prosecution Insights
Last updated: October 02, 2026

Examiner: LANGHALS, RENEE C

Tech Center 3700 • Art Units: 1678 3791 3793 3797

This examiner grants 58% of resolved cases

Analysis

Renee C Langhals, in Tech Center 3700 and Art Unit 1678, has 156 resolved cases. Her allowance rate pct is 58.3, and the median days to allowance is 1309. This suggests the level of difficulty and the prosecution cycle for applicants. The 1309-day median to allowance is a figure for applicants to consider when managing their prosecution timeline and patent strategy.

The interview lift pct of 43.0 is a metric indicating that interviews are an effective strategy for this examiner. This 43.0 lift suggests that verbal advocacy can change the 58.3 allowance rate pct. The 156 resolved cases show that interviews are a lever for applicants in Art Unit 1678. A 43.0 lift is a significant metric in this profile, highlighting the role of direct communication in overcoming rejections and potentially improving the 58.3 allowance rate pct.

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

Performance Statistics

58.3%
Allow Rate
-11.7% vs TC avg
189
Total Applications
+43.0%
Interview Lift
1309
Avg Prosecution Days
Based on 156 resolved cases, 2023–2026

Rejection Statute Breakdown

3.0%
§101 Eligibility
9.2%
§102 Novelty
58.6%
§103 Obviousness
25.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19201760 INTEGRATION OF MULTIPLE DATA SOURCES FOR LOCALIZATION AND NAVIGATION Final Rejection Covidien LP
18474172 PROTECTIVE COVER AND BIOPSY UNIT Final Rejection FUJIFILM Corporation
18881590 SYSTEMS AND METHODS FOR ULTRASOUND IMAGE-BASED USER GUIDANCE AND FEEDBACK DURING CARDIAC VEGETATION ASPIRATION Non-Final OA KONINKLIJKE PHILIPS N.V.
18564662 ULTRASOUND IMAGING SYSTEM Non-Final OA KONINKLIJKE PHILIPS N.V.
18276327 POSITION ESTIMATION OF AN INTERVENTIONAL DEVICE Final Rejection KONINKLIJKE PHILIPS N.V.
18265052 APPARATUSES, SYSTEMS AND METHODS FOR CONTRAST IMAGING Final Rejection KONINKLIJKE PHILIPS N.V.
19091763 FLEXIBLE ACOUSTIC SENSOR SYSTEMS Non-Final OA QUALCOMM Incorporated
18608228 BLOOD PRESSURE CALIBRATION Final Rejection Oura Health Oy
19049756 ENDOCAVITY ULTRASONIC PROBE Non-Final OA Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
18821626 Adaptive Acoustic Imaging with Differentiable Beamforming Final Rejection The Board of Trustees of the Leland Stanford Junior University
19063132 SYSTEM FOR ANGLE ESTIMATION AND ADJUSTMENT FOR BI-PLANE ULTRASOUND IMAGING Non-Final OA GE Precision Healthcare LLC
18893735 ULTRASOUND IMAGING APPARATUS AND CONTROL METHOD THEREFOR, ULTRASOUND IMAGING SYSTEM, AND STORAGE MEDIUM Final Rejection GE Precision Healthcare LLC
19170935 ADJUSTABLE PROBE FOR TRANSCRANIAL ULTRASOUND Final Rejection Sanmai Technologies, PBC
18783245 APPARATUS COMPATIBLE WITH PHYSIOLOGICAL MEASUREMENT SYSTEMS AND ULTRASOUND BEAM GUIDANCE FOR NEURO NAVIGATION Non-Final OA Sanmai Technologies, PBC
18851170 DETECTING AND MEASURING FAST OPTICAL SIGNALS (FOS) FROM ONE OR MORE CORNEAL NERVES FOR MONITORING A PATIENT'S HEALTH AND WELLNESS Non-Final OA Case Western Reserve University
16509403 SYSTEMS AND METHODS FOR IMPROVING PLACEMENT OF DEVICES FOR NEURAL STIMULATION Non-Final OA Synchron Australia Pty Limited

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