Prosecution Insights
Last updated: October 26, 2026

Sherman L Lin, USPTO Patent Examiner

Listed by the USPTO as LIN, SHERMAN L

Tech Center 4100 • Art Units: 2447 4100

This examiner grants 29% of resolved cases

Analysis

LIN, SHERMAN L works in USPTO tech center 4100 and art unit 2447. Across 260 resolved cases, the allowance rate is 29.2%, the interview lift is 37.1%, and the median time to allowance is 1844 days. The profile shows a low observed allowance rate and the longest stated interval, while the interview measure supports giving direct examiner engagement a significant role in prosecution planning.

Cisco Technology Inc., University of Florida Research Foundation Inc., and Capital One Services LLC are the leading companies. SHUMAKER & SIEFFERT P. A., ALSTON & BIRD LLP, and Bainwood, Huang & Associates, LLC are the listed firms. Applicants should prepare carefully supported amendments and focused interview agendas, with timing and persistence treated as central prosecution considerations.

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

Performance Statistics

29.2%
Allow Rate
-30.8% vs TC avg
307
Total Applications
+37.1%
Interview Lift
1844
Avg Prosecution Days
Based on 260 resolved cases, 2023–2026

Rejection Statute Breakdown

11.6%
§101 Eligibility
8.6%
§102 Novelty
73.8%
§103 Obviousness
4.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17926581 SERVICE REQUEST HANDLING Final Rejection Telefonaktiebolaget LM Ericsson (publ)
17784570 METHODS FOR CASCADE FEDERATED LEARNING FOR TELECOMMUNICATIONS NETWORK PERFORMANCE AND RELATED APPARATUS Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
17984499 SYSTEM AND METHOD FOR DETECTING AND PREVENTING AN IDENTITY THEFT ATTEMPT Final Rejection Capital One Services, LLC
17410733 SYSTEM AND METHOD FOR REACTIVE MULTI-PART PARSING FOR USE WITH A MICROSERVICES OR OTHER COMPUTING ENVIRONMENT Final Rejection Oracle International Corporation
17499850 CHARGING METHOD, APPARATUS, AND SYSTEM Non-Final OA HUAWEI TECHNOLOGIES CO.,LTD.
18938067 TETHERED DEVICES FOR WEBRTC IN A CELLULAR SYSTEM Final Rejection QUALCOMM Incorporated
17943447 CACHING ACROSS MULTIPLE CLOUD ENVIRONMENTS Non-Final OA Salesforce, Inc.
18902754 A MULTIPROTOCOL WIRELESS INTERNET OF THINGS MODULE Final Rejection Tyco Fire & Security GmbH
18220065 STATISTICAL MODELING OF EMAIL SENDERS TO DETECT BUSINESS EMAIL COMPROMISE Final Rejection Cisco Technology, Inc.
17484999 DETECTION AND MITIGATION OF DOMAIN-BASED ANOMALIES Non-Final OA Cisco Technology, Inc.
18747204 SELF-HEALING NETWORK TIMEKEEPING Non-Final OA Roblox Corporation
18915215 TRANSFERRING DATA USING AN ADAPTIVE BIT RATE FROM A PAIR OF AUGMENTED-REALITY GLASSES TO ONE OR MORE DEVICES, AND SYSTEMS AND METHODS OF USE THEREOF Final Rejection Meta Platforms Technologies, LLC
18354965 SYSTEMS AND METHODS FOR FACILITATING PASSKEY LOGIN TO A WEB DOMAIN Final Rejection Shopify Inc.
18159867 RESTRICTED DATABASE ACCESS IN WEB APPLICATIONS Final Rejection Dell Products L.P.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Sherman L Lin's allowance rate?

29.2% of resolved applications examined by Sherman L Lin were allowed (260 resolved cases), compared with 63.5% across Art Unit 2447 over the last five years.

Does an interview help with examiner Sherman L Lin?

This examiner's interview lift is +37.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sherman L Lin take to allow a patent?

Applications allowed by Sherman L Lin took 1,844 days on average from filing to allowance.

Which art unit does examiner Sherman L Lin work in?

Sherman L Lin examines applications in Art Unit 2447 in Tech Center 4100.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month