Prosecution Insights
Last updated: October 25, 2026

Pfeifer & Langen Ip GmbH & Co. Kg

Technology area: Chemistry & Materials

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready

Analysis

Pfeifer & Langen Ip GmbH & Co. Kg manages a company patent portfolio in the Chemistry & Materials technology area. The data shows 1 pending office action currently active. This matter is assigned to a distinct examiner and is located within a distinct art unit.

WEBB, SUNNY DANIELLE is responsible for the 1 busiest examiner pending office action. Since the total count of pending office actions is the same as the busiest examiner's workload, this individual handles all current prosecution for the portfolio. This creates a single point of contact at the patent office for the company's applications.

Practitioners should note that the Chemistry & Materials filings are currently restricted to a single distinct art unit. The prosecution strategy involves interacting with one examiner for the entire active docket. This alignment between the total workload and the busiest examiner's assignment simplifies the administrative tracking of the portfolio.

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

Portfolio Summary

1
Total Pending OAs
1
Non-Final OAs
0
Final Rejections
0
Advisory / Quayle

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.

1
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (100%)

Industry Mix

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

1
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% 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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
WEBB, SUNNY DANIELLE 1 81.9% +23.2%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18287564 MOBILE SYSTEM FOR HARVESTING AND/OR TRANSPORTING AND/OR LOADING SUGAR BEETS, SUGAR PRODUCTION SYSTEM AND METHOD FOR SUGAR PRODUCTION WEBB, SUNNY DANIELLE —

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18287564 MOBILE SYSTEM FOR HARVESTING AND/OR TRANSPORTING AND/OR LOADING SUGAR BEETS, SUGAR PRODUCTION SYSTEM AND METHOD FOR SUGAR PRODUCTION WEBB, SUNNY DANIELLE —

Top Art Units

Art UnitApps
1736 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18287564 MOBILE SYSTEM FOR HARVESTING AND/OR TRANSPORTING AND/OR LOADING SUGAR BEETS, SUGAR PRODUCTION SYSTEM AND METHOD FOR SUGAR PRODUCTION WEBB, SUNNY DANIELLE 1736 §103§112 Non-Final OA — Pending Oct 19, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Pfeifer & Langen Ip GmbH & Co. Kg have?

Pfeifer & Langen Ip GmbH & Co. Kg has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Pfeifer & Langen Ip GmbH & Co. Kg applications?

Sunny Danielle Webb has the most, with 1 of Pfeifer & Langen Ip GmbH & Co. Kg's pending office actions.

What technology area are Pfeifer & Langen Ip GmbH & Co. Kg's patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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