Prosecution Insights
Last updated: October 02, 2026

Examiner: PRESTON, REBECCA STRASZHEIM

Tech Center 3700 • Art Units: 3738 3774

This examiner grants 74% of resolved cases

Analysis

Rebecca Straszheim Preston works in Tech Center 3700 and Art Unit 3738, where she has handled 640 resolved cases. Her allowance rate is 73.9 percent, which reflects the frequency of successful outcomes for applicants. The median days to allowance for these cases is 1240, establishing the timeframe for reaching a grant.

The data highlights an interview lift of 38.6 percent. This figure suggests that interviews are associated with a change in the likelihood of allowance under her review. With 640 resolved cases, the 73.9 percent allowance rate is supported by a large volume of data, making these statistics a basis for planning purposes.

Practitioners may prioritize interviews to leverage the 38.6 percent lift, which is a factor alongside the 73.9 percent baseline. The 1240 median days to allowance provides a benchmark for pendency in Art Unit 3738. These figures demonstrate the pattern of resolution within Tech Center 3700.

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

Performance Statistics

73.9%
Allow Rate
+3.9% vs TC avg
662
Total Applications
+38.6%
Interview Lift
1240
Avg Prosecution Days
Based on 640 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
31.1%
§102 Novelty
30.5%
§103 Obviousness
34.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18240112 DEVICES, SYSTEMS, AND METHODS FOR IMPLANTABLE MEDICAL DEVICES Final Rejection BOSTON SCIENTIFIC SCIMED, INC.
18633933 INTRAVASCULAR STENT Non-Final OA Abbott Cardiovascular Systems Inc.
18616060 INTRAOCULAR LENSES WITH ANTI-ANTERIOR CAPSULAR CONTRACTION FEATURE AND METHOD OF IMPLANTATION THEREOF Non-Final OA Alcon Inc.
18627364 DELIVERY SYSTEM WITH ADAPTABLE NOSECONE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18358855 METHODS TO FOLD AND FORM DELIVERY SYSTEM BALLOONS TO REDUCE THE DEPLOYED THV HEIGHT ASYMMETRY Final Rejection EDWARDS LIFESCIENCES CORPORATION
18183827 STENT GRAFT WITH ELASTOMERIC IMPERMEABLE LAYER Final Rejection Merit Medical Systems, Inc.
18741564 DEVICES AND METHODS FOR CORONARY SINUS PRESSURE RELIEF Non-Final OA Corvia Medical, Inc.

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