Prosecution Insights
Last updated: October 25, 2026

Pregis LLC

Technology area: Medical Devices & Mechanical Engineering

9 pending office actions • 4 art units • 7 examiners • 0 of 9 (0%) have an AI response strategy ready • 11 patents granted in the last 365 days

Analysis

Pregis LLC has 9 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 7 distinct examiners and 4 distinct art units, indicating some concentration within the art-unit structure alongside multiple examiner relationships.

SEIF, DARIUSH is the busiest examiner, with 2 pending matters. Counsel may benefit from comparing matters within the shared art-unit environment while maintaining examiner-specific response preparation.

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

Portfolio Summary

9
Total Pending OAs
6
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

3
Hard (33%)
6
Medium (67%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only4 (44%)
§102 only2 (22%)
Multi-statute (no §101)3 (33%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

1
Life Sciences
11% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
8
Mechanical / Eng
89% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SEIF, DARIUSH 2 70.7% +6.1%
DEMEREE, CHRISTOPHER R 2 68.9% +14.2%
RUSHING-TUCKER, CHINYERE J 1 74.9% +10.6%
LEEDS, DANIEL JEREMY 1 69.9% +34.7%
HARP, WILLIAM RAY 1 79.1% +10.8%
FRY, PATRICK B 1 54.1% +8.2%
ROMANOWSKI, MICHAEL C 1 53.0% +62.8%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
19233874 DUNNAGE APPARATUS WITH CONICAL INLET SEIF, DARIUSH —
18757412 PACKAGING MATERIAL CONVEYANCE SYSTEM HAVING AIR DUCTS HARP, WILLIAM RAY —
17711248 DUNNAGE SUPPLY DAISY CHAIN CONNECTOR FRY, PATRICK B —

Interview Candidates (6)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
17515268 PROTECTIVE ARTICLE WITH EXPANDABLE POLYOLEFIN COMPOSITE ROMANOWSKI, MICHAEL C 91d overdue
19213675 LOW ASPECT-RATIO PALLETIZED FAN-FOLDED STOCK MATERIAL LEEDS, DANIEL JEREMY 23d overdue
19410645 VERTICAL BAGGER USING WEB-ALIGNMENT SCORE RUSHING-TUCKER, CHINYERE J —
18757412 PACKAGING MATERIAL CONVEYANCE SYSTEM HAVING AIR DUCTS HARP, WILLIAM RAY —
18679052 ENVELOPES FORMED FROM EXTENSIBLE PAPER DEMEREE, CHRISTOPHER R —
18660061 ENVELOPES WITH CLOSURE SEALS FORMED FROM REACTIVATABLE HOT-MELT ADHESIVE DEMEREE, CHRISTOPHER R —

Top Art Units

Art UnitApps
3731 5
3734 2
3653 1
1782 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19410645 VERTICAL BAGGER USING WEB-ALIGNMENT SCORE RUSHING-TUCKER, CHINYERE J 3731 §103 Non-Final OA — Pending Dec 05, 2025
19262000 DUNNAGE SYSTEMS WITH AUTOMATED FEEDING CAPABILITY SEIF, DARIUSH 3731 §102 Non-Final OA — Pending Jul 07, 2025
19233874 DUNNAGE APPARATUS WITH CONICAL INLET SEIF, DARIUSH 3731 §103§112 Non-Final OA — Pending Jun 10, 2025
19213675 LOW ASPECT-RATIO PALLETIZED FAN-FOLDED STOCK MATERIAL LEEDS, DANIEL JEREMY 3731 §103 Final Rejection 23d overdue Pending May 20, 2025
18757412 PACKAGING MATERIAL CONVEYANCE SYSTEM HAVING AIR DUCTS HARP, WILLIAM RAY 3653 §102§103§112 Non-Final OA — Pending Jun 27, 2024
18679052 ENVELOPES FORMED FROM EXTENSIBLE PAPER DEMEREE, CHRISTOPHER R 3734 §102 Final Rejection — Pending May 30, 2024
18660061 ENVELOPES WITH CLOSURE SEALS FORMED FROM REACTIVATABLE HOT-MELT ADHESIVE DEMEREE, CHRISTOPHER R 3734 §103 Non-Final OA — Pending May 09, 2024
17711248 DUNNAGE SUPPLY DAISY CHAIN CONNECTOR FRY, PATRICK B 3731 §103§112 Non-Final OA — Pending Apr 01, 2022
17515268 PROTECTIVE ARTICLE WITH EXPANDABLE POLYOLEFIN COMPOSITE ROMANOWSKI, MICHAEL C 1782 §103 Final Rejection 91d overdue Pending Oct 29, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Pregis LLC have?

Pregis LLC has 9 pending office actions as of October 2026, spread across 4 art units and 7 examiners.

Which USPTO examiner handles the most Pregis LLC applications?

Dariush Seif has the most, with 2 of Pregis LLC's pending office actions.

What technology area are Pregis LLC's patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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