Prosecution Insights
Last updated: October 27, 2026

Terrence R Till, USPTO Patent Examiner

Listed by the USPTO as TILL, TERRENCE R

Tech Center 3900 • Art Units: 3991 3993

This examiner grants 81% of resolved cases

Analysis

Terrence R. Till has resolved 84 cases in Tech Center 3900 and Art Unit 3991. The examiner's allowance rate is 81.0 percent. The median days to allowance for successful applications is 923. This 923-day figure provides a timeline for applicants in the 3900 tech center.

The interview lift is 34.2 percent, indicating that interviews are very effective for this examiner. This lift is measured against the 81.0 percent baseline allowance rate and suggests a strong benefit to direct communication. G D S P A is a top company in this docket, and representation has included SHUTTLEWORTH & INGERSOLL, P.L.C.

The 84 resolved cases provide a dataset for the 923-day median pendency. Practitioners should prioritize interviews given the 34.2 percent lift observed in Art Unit 3991. This strategy may significantly improve the probability of success beyond the 81.0 percent baseline.

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

Performance Statistics

81.0%
Allow Rate
+21.0% vs TC avg
85
Total Applications
+34.2%
Interview Lift
923
Avg Prosecution Days
Based on 84 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
10.8%
§102 Novelty
25.8%
§103 Obviousness
32.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18789161 FILLING UNIT FOR FILLING A SUCCESSION OF TUBULAR WRAPPERS OF THE TOBACCO INDUSTRY Non-Final OA G.D S.P.A.

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Frequently Asked Questions

What is examiner Terrence R Till's allowance rate?

81.0% of resolved applications examined by Terrence R Till were allowed (84 resolved cases), compared with 61.0% across Art Unit 3991 over the last five years.

Does an interview help with examiner Terrence R Till?

This examiner's interview lift is +34.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Terrence R Till take to allow a patent?

Applications allowed by Terrence R Till took 923 days on average from filing to allowance.

Which art unit does examiner Terrence R Till work in?

Terrence R Till examines applications in Art Unit 3991 in Tech Center 3900.

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