Prosecution Insights
Last updated: October 25, 2026

Xampla Limited

Technology area: Chemistry & Materials

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Xampla Limited has 3 pending office actions in Chemistry & Materials. The matters are assigned to 3 distinct examiners and 3 distinct art units, indicating separate examination settings. Counsel should maintain consistent positions on material composition, structure, and processing, while tailoring each response to the examiner and art-unit record.

MRUK, BRIAN P is the busiest examiner, with 1 pending matter. No examiner has a concentrated share of the docket, so coordinated issue tracking is more useful than dependence on one examiner relationship. Claim amendments should remain tied to disclosed material characteristics and should address the particular ground raised in each application.

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

Portfolio Summary

3
Total Pending OAs
2
Non-Final OAs
1
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 (33%)
1
Medium (33%)
1
Easy (33%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (33%)
§112 only1 (33%)
Multi-statute (no §101)1 (33%)

Industry Mix

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

3
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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MRUK, BRIAN P 1 74.2% +28.1%
MORNHINWEG, JEFFREY P 1 36.7% +32.2%
XU, JIANGTIAN 1 64.9% +35.5%

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
18025441 PROTEIN DISPERSIONS XU, JIANGTIAN —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18844862 BIODEGRADABLE MICROCAPSULES AND A METHOD FOR THEIR PREPARATION MRUK, BRIAN P —
18704514 PLANT PROTEIN-STARCH FILMS MORNHINWEG, JEFFREY P —
18025441 PROTEIN DISPERSIONS XU, JIANGTIAN —

Top Art Units

Art UnitApps
1761 1
1792 1
1762 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18844862 BIODEGRADABLE MICROCAPSULES AND A METHOD FOR THEIR PREPARATION MRUK, BRIAN P 1761 §112 Final Rejection — Pending Sep 06, 2024
18704514 PLANT PROTEIN-STARCH FILMS MORNHINWEG, JEFFREY P 1792 §103 Non-Final OA — Pending Apr 25, 2024
18025441 PROTEIN DISPERSIONS XU, JIANGTIAN 1762 §102§103§112 Non-Final OA — Pending Mar 09, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Xampla Limited have?

Xampla Limited has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Xampla Limited applications?

Brian P Mruk has the most, with 1 of Xampla Limited's pending office actions.

What technology area are Xampla Limited's patent applications in?

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

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