Prosecution Insights
Last updated: October 27, 2026

Li-Ting Song, USPTO Patent Examiner

Listed by the USPTO as SONG, LI-TING

Tech Center 3700 • Art Units: 3795

This examiner grants 66% of resolved cases

Analysis

SONG, LI-TING is assigned to tech center 3700 and art unit 3795. The record includes 95 resolved cases, a 66.3% allowance rate, and a median of 1109 days to allowance. Because the resolved-case volume is limited, practitioners should treat the profile as directional evidence rather than a complete measure of expected prosecution results.

The interview lift is 33.6%, indicating a meaningful association between interviews and allowance outcomes in the available data. Fujifilm Corporation, Boston Scientific Corporation, and Covidien L.P. are the principal companies shown. The leading firms are JCIPRNET, GREENBLUM & BERNSTEIN, P.L.C., and Muncy, Geissler, Olds & Lowe, P.C.

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

Performance Statistics

66.3%
Allow Rate
-3.7% vs TC avg
127
Total Applications
+33.6%
Interview Lift
1109
Avg Prosecution Days
Based on 95 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
29.6%
§102 Novelty
49.7%
§103 Obviousness
20.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19303309 MEDICAL SUPPORT DEVICE, ENDOSCOPE, MEDICAL SUPPORT METHOD, AND PROGRAM Non-Final OA FUJIFILM Corporation
19040863 MEDICAL SUPPORT DEVICE, ENDOSCOPE, MEDICAL SUPPORT METHOD, AND PROGRAM Non-Final OA FUJIFILM CORPORATION
19034572 ENDOSCOPE SYSTEM Non-Final OA FUJIFILM Corporation
18825907 EXPANSION UNIT OF ENDOSCOPE AND ADAPTER DEVICE OF ENDOSCOPE Non-Final OA FUJIFILM Corporation
18050013 ENDOSCOPE WITH AUTOMATIC STEERING Non-Final OA Covidien LP
19223089 MEDICAL SYSTEM, MEDICAL LIGHT SOURCE APPARATUS, AND METHOD IN MEDICAL LIGHT SOURCE APPARATUS Non-Final OA Sony Group Corporation
18802284 MEDICAL DEVICE HAVING INDEPENDENT ARTICULATION AND METHODS OF USE Final Rejection Boston Scientific Medical Device Limited
18986298 DEGRADABLE SUCTION VALVE FOR AN ENDOSCOPE Non-Final OA Boston Scientific Scimed, Inc.
18939041 ARTICULATING MEDICAL DEVICES AND ASSOCIATED METHODS Non-Final OA Boston Scientific Scimed, Inc.
18762807 BILE DUCT/PANCREATIC DUCT TREATMENT METHOD AND ENDOSCOPIC INSTRUMENT Final Rejection OLYMPUS CORPORATION
18837447 COLLISION WARNING FOR MEDICAL DEVICE Final Rejection Canon U.S.A., Inc.
19106762 ENDOSCOPE Non-Final OA HOYA CORPORATION
18330730 ENDOSCOPE SYSTEM AND ASSEMBLIES Final Rejection AdaptivEndo LLC

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Frequently Asked Questions

What is examiner Li-Ting Song's allowance rate?

66.3% of resolved applications examined by Li-Ting Song were allowed (95 resolved cases), compared with 61.2% across Art Unit 3795 over the last five years.

Does an interview help with examiner Li-Ting Song?

This examiner's interview lift is +33.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Li-Ting Song take to allow a patent?

Applications allowed by Li-Ting Song took 1,109 days on average from filing to allowance.

Which art unit does examiner Li-Ting Song work in?

Li-Ting Song examines applications in Art Unit 3795 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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