Prosecution Insights
Last updated: October 27, 2026

Rebecca Straszheim Preston, USPTO Patent Examiner

Listed by the USPTO as PRESTON, REBECCA STRASZHEIM

Tech Center 3700 • Art Units: 3738 3774

This examiner grants 74% of resolved cases

Analysis

PRESTON, REBECCA STRASZHEIM works in Tech Center 3700 and Art Unit 3738. The profile includes 642 resolved cases, a 74.0% allowance rate, and a 1241-day median time to allowance. The 38.3% interview lift is a substantial positive signal, supporting active use of interviews where claim interpretation or technical detail is central to prosecution.

The principal companies are Edwards Lifesciences Corporation, Merit Medical Systems Inc., and Boston Scientific Corporation. The listed firms are HESLIN ROTHENBERG FARLEY & MESITI PC, Jordan IP Law, LLC, and Knobbe, Martens, Olson & Bear, LLP.

The allowance rate indicates that many matters reach allowance, but the median timing calls for realistic client expectations. Practitioners should prepare interviews around specific distinctions and preserve a written record that supports any resulting amendment strategy. The company mix also points to recurring medical-device prosecution experience.

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

Performance Statistics

74.0%
Allow Rate
+4.0% vs TC avg
673
Total Applications
+38.3%
Interview Lift
1241
Avg Prosecution Days
Based on 642 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
17863924 MITRAL VALVE LEAFLET CLIP Final Rejection BOSTON SCIENTIFIC SCIMED, INC.
18477170 ORTHOPEDIC IMPLANTS AND METHODS Final Rejection Paragon 28, Inc.
18633933 INTRAVASCULAR STENT Non-Final OA Abbott Cardiovascular Systems Inc.
18627364 DELIVERY SYSTEM WITH ADAPTABLE NOSECONE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18431739 TEXTILES AND MEDICAL DEVICES USING THE SAME 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
18697472 LOW PROFILE FINAL SEAL FOR HEART VALVE PROSTHESIS Final Rejection MEDTRONIC, INC.

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Frequently Asked Questions

What is examiner Rebecca Straszheim Preston's allowance rate?

74.0% of resolved applications examined by Rebecca Straszheim Preston were allowed (642 resolved cases), compared with 0.0% across Art Unit 3738 over the last five years.

Does an interview help with examiner Rebecca Straszheim Preston?

This examiner's interview lift is +38.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Rebecca Straszheim Preston take to allow a patent?

Applications allowed by Rebecca Straszheim Preston took 1,241 days on average from filing to allowance.

Which art unit does examiner Rebecca Straszheim Preston work in?

Rebecca Straszheim Preston examines applications in Art Unit 3738 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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