Prosecution Insights
Last updated: October 04, 2026

Pearne and Gordon, LLP

Technology areas: Biotechnology & Pharmaceuticals • Medical Devices & Mechanical Engineering

6 pending office actions • 5 clients • 6 examiners • 4 art units • 0 of 6 (0%) have an AI response strategy ready

Analysis

PEARNE & GORDON LLP manages a portfolio of 10158 career applications, primarily in Biotechnology & Pharmaceuticals. The firm's resolved allowance rate is 82.83 percent. Prosecution typically requires an average of 3.2 office actions per allowance. Currently, there are 5 pending office actions.

This number of active cases follows a history of 10158 career applications. The 82.83 percent resolved allowance rate highlights the firm's effectiveness in the Biotechnology & Pharmaceuticals field. The 3.2 average office actions per allowance indicates the effort required to secure these grants. This firm's data shows a scale of operation, with 10158 career applications and a success rate. The 82.83 percent resolved allowance rate provides a baseline for performance. With 5 pending office actions, the firm's current workload is a specific part of its history, yet it maintains a track record of securing grants efficiently. The 3.2 average office actions per allowance remains a key metric for its 10158 career applications.

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

Quality Metrics (n=10158 apps, methodology: how we score firms)

82.8%
Allowance Rate
n=10158
+0.55σ
Allowance Rate (norm)
n=10158
3.2
OAs to Allowance
n=7486
-0.13σ
OAs to Allow (norm)
n=7486
1130 days
Time to Allowance
n=7486
+7.6pp
Interview Lift
n=10158
22.2%
RCE Rate
n=10158
2.1%
Appeal Rate
n=10158

Rejection Performance (% of received rejections ultimately overcome)

79.2%
§101 Overcome
n=390
80.9%
§102 Overcome
n=2637
82.9%
§103 Overcome
n=4478
85.0%
§112 Overcome
n=3260

Specialization & Scale

H01L, H10P, Y10T
Top CPC Subclasses
11%
Top-3 CPC Share
n=10158
20
Practitioners
n=10158
507.9
Apps / Practitioner
n=10158

Portfolio Summary

6
Total Pending OAs
4
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
2
Due this month
0
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (2)

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.

4
Hard (67%)
2
Medium (33%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (33%)
§103 only2 (33%)
Multi-statute (no §101)2 (33%)

Industry Mix

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

1
Life Sciences
17% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
33% of docket
3
Business / Other
50% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGUYEN, MAIKHANH 1 87.2% +29.1%
TIEN, LUCY MINYU 1 59.3% +39.2%
CAZAN, LIVIUS RADU 1 63.0% +24.8%
KASZTEJNA, MATTHEW JOHN 1 64.5% +13.1%
WEN, KEVIN GUANHUA 1 60.9% +38.3%
PARK, EVELYN GRACE 1 51.6% +40.5%

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18267654 MAGNETIC STIRRER KASZTEJNA, MATTHEW JOHN 19d overdue
17533479 METHOD FOR DETERMINING THE METABOLIC PARAMETERS OF A SUBJECT PARK, EVELYN GRACE 22d
18285843 METHOD AND KIT FOR RECOGNISING A USER OF A FOOTWEAR ARTICLE OR AN ACTIVITY PERFORMED BY A USER OF A FOOTWEAR ARTICLE NGUYEN, MAIKHANH —
18485471 METHOD FOR METALLISING A THERMOELECTRIC STRUCTURE CAZAN, LIVIUS RADU —

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
18267654 MAGNETIC STIRRER KASZTEJNA, MATTHEW JOHN 19d overdue
17896307 OVEN FOR BAKING FOOD PRODUCTS WEN, KEVIN GUANHUA 15d
17533479 METHOD FOR DETERMINING THE METABOLIC PARAMETERS OF A SUBJECT PARK, EVELYN GRACE 22d
18285843 METHOD AND KIT FOR RECOGNISING A USER OF A FOOTWEAR ARTICLE OR AN ACTIVITY PERFORMED BY A USER OF A FOOTWEAR ARTICLE NGUYEN, MAIKHANH —
18573044 COSMETIC COMPOSITION FOR THE HAIR AND USE THEREOF FOR HAIR AND/OR SCALP CARE TIEN, LUCY MINYU —
18485471 METHOD FOR METALLISING A THERMOELECTRIC STRUCTURE CAZAN, LIVIUS RADU —

Client Portfolio (5 clients)

Top Art Units

Art UnitApps
16121
39931
37611
37911

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18285843 METHOD AND KIT FOR RECOGNISING A USER OF A FOOTWEAR ARTICLE OR AN ACTIVITY PERFORMED BY A USER OF A FOOTWEAR ARTICLE Zhor Tech NGUYEN, MAIKHANH §101§102 Non-Final OA — Pending Feb 09, 2024
18573044 COSMETIC COMPOSITION FOR THE HAIR AND USE THEREOF FOR HAIR AND/OR SCALP CARE Pierre Fabre Dermo-Cosmetique TIEN, LUCY MINYU 1612 §103 Final Rejection — Pending Dec 21, 2023
18485471 METHOD FOR METALLISING A THERMOELECTRIC STRUCTURE COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES CAZAN, LIVIUS RADU §103§112 Non-Final OA — Pending Oct 12, 2023
18267654 MAGNETIC STIRRER Electrolux Appliances Aktiebolag KASZTEJNA, MATTHEW JOHN 3993 §102§112 Non-Final OA 19d overdue Pending Jun 15, 2023
17896307 OVEN FOR BAKING FOOD PRODUCTS Electrolux Home Products Corporation N. V. WEN, KEVIN GUANHUA 3761 §103Other Final Rejection 15d Pending Aug 26, 2022
17533479 METHOD FOR DETERMINING THE METABOLIC PARAMETERS OF A SUBJECT UNIVERSITE DE PARIS-SACLAY PARK, EVELYN GRACE 3791 §101§112 Non-Final OA 22d Pending Nov 23, 2021

Managing Pearne and Gordon, LLP's Patent Prosecution?

IP Author helps law firms respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

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