Prosecution Insights
Last updated: October 27, 2026

Charles R Craver, USPTO Patent Examiner

Listed by the USPTO as CRAVER, CHARLES R

Tech Center 3900 • Art Units: 2838 3992

This examiner grants 62% of resolved cases

Analysis

CRAVER, CHARLES R is assigned to USPTO Technology Center 3900 and art unit 2838. He has 98 resolved cases, a 62.2% allowance rate, and a 20.9% interview lift. The median time to allowance is 1397 days. The smaller resolved-case record calls for measured interpretation, while the positive interview figure supports considering examiner interviews during prosecution.

The principal companies are LG Electronics Inc., Huawei Technologies Co., Ltd., and Ofinno LLC. The leading firms are Barta Jones, PLLC, BROADVIEW IP LAW, PC, and DLA Piper LLP (US). These names show the principal technology owners and counsel represented in the available examination history.

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

Performance Statistics

62.2%
Allow Rate
+2.2% vs TC avg
128
Total Applications
+20.9%
Interview Lift
1397
Avg Prosecution Days
Based on 98 resolved cases, 2023–2026

Rejection Statute Breakdown

3.4%
§101 Eligibility
7.9%
§102 Novelty
25.7%
§103 Obviousness
25.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18400101 NARROWBAND INTERNET OF THINGS BASED COMMUNICATION METHOD AND APPARATUS Non-Final OA Huawei Technologies Co., Ltd.
19065833 HANDLING FOR INTERRUPTION DUE TO CARRIER SWITCHING AND CARRIER SWITCHING CAPABILITY INDICATION Final Rejection Qualcomm Incorporated
18844687 ENHANCING OPITCAL NONLINEARITY THROUGH XPM TEMPORAL TRAPPING Non-Final OA NTT RESEARCH, INC.
18202884 METHOD AND APPARATUS FOR TRANSMITTING UPLINK SIGNAL, AND METHOD AND APPARATUS FOR GENERATING UPLINK SIGNAL IN COMMUNICATION SYSTEM Non-Final OA Electronics and Telecommunications Research Institute
19030002 FACILITATING EFFICIENT MULTI-BEAM BEAM RECOVERY Final Rejection Nokia Technologies Oy
19342362 DEVICE IMPAIRMENT DETECTION Non-Final OA Sonos, Inc.
18893799 SEMICONDUCTOR DEVICE AND FABRICATING METHOD THEREOF Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18850710 PLASTIC OPTICAL FIBER Non-Final OA NITTO DENKO CORPORATION

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Frequently Asked Questions

What is examiner Charles R Craver's allowance rate?

62.2% of resolved applications examined by Charles R Craver were allowed (98 resolved cases), compared with 76.3% across Art Unit 2838 over the last five years.

Does an interview help with examiner Charles R Craver?

This examiner's interview lift is +20.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Charles R Craver take to allow a patent?

Applications allowed by Charles R Craver took 1,397 days on average from filing to allowance.

Which art unit does examiner Charles R Craver work in?

Charles R Craver examines applications in Art Unit 2838 in Tech Center 3900.

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