Prosecution Insights
Last updated: October 25, 2026

Mayer Brown LLP

Technology areas: Biotechnology & Pharmaceuticals • Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering

9 pending office actions • 6 clients • 9 examiners • 6 art units • 0 of 9 (0%) have an AI response strategy ready

Analysis

Mayer Brown LLP has managed 1481 career applications, primarily in the Biotechnology & Pharmaceuticals technology area. The firm maintains a resolved allowance rate of 71.17 percent. This rate reflects the firm's success in navigating the complex examination process for biological and pharmaceutical inventions.

The firm currently has 9 pending office actions. Prosecution at the firm results in an average of 2.74 office actions per allowance. This average of 2.74 office actions per allowance across 1481 career applications provides a measure of efficiency for the firm's prosecution strategy. The 71.17 percent resolved allowance rate is a key indicator of performance in this technology area.

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

Quality Metrics (n=1481 apps, methodology: how we score firms)

71.2%
Allowance Rate
n=1481
+0.33σ
Allowance Rate (norm)
n=1481
2.7
OAs to Allowance
n=837
-0.19σ
OAs to Allow (norm)
n=837
1209 days
Time to Allowance
n=837
+1.0pp
Interview Lift
n=1481
19.4%
RCE Rate
n=1481
1.1%
Appeal Rate
n=1481

Rejection Performance (% of received rejections ultimately overcome)

55.8%
§101 Overcome
n=43
55.8%
§102 Overcome
n=154
61.0%
§103 Overcome
n=274
66.4%
§112 Overcome
n=232

Specialization & Scale

A61K, A61P, H01L
Top CPC Subclasses
20%
Top-3 CPC Share
n=1481
21
Practitioners
n=1481
70.5
Apps / Practitioner
n=1481

Portfolio Summary

9
Total Pending OAs
5
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
1
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. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (1)

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 (44%)
4
Medium (44%)
1
Easy (11%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (11%)
§103 only2 (22%)
Double-patenting only1 (11%)
Double-patenting + other2 (22%)
Multi-statute (no §101)3 (33%)

Industry Mix

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

5
Life Sciences
56% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
4
Mechanical / Eng
44% 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
HAWTHORNE, OPHELIA ALTHEA 1 72.0% +30.2%
TRIGGS, ANDREW J 1 66.6% +27.9%
CRAIG, KAILA ANGELIQUE 1 33.8% +25.2%
DONOHUE, SEAN R 1 41.4% +21.0%
VU, JAKE MINH 1 41.0% +27.0%
WESTERBERG, NISSA M 1 23.4% +37.3%
MINSKEY, JACOB T 1 69.2% +33.1%
GREENLUND, JOSEPH A 1 66.8% +33.8%
EL-HAGE HASSAN, ABDALLAH A 1 43.2% +40.5%

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
17245718 SYSTEM AND METHOD TO IDENTIFY RISKS AND PROVIDE STRATEGIES TO OVERCOME RISKS EL-HAGE HASSAN, ABDALLAH A 138d overdue
18982834 INTRAVENOUS EXTREMITY SUPPORT HAWTHORNE, OPHELIA ALTHEA 38d overdue
18899663 JOIST POCKET ASSEMBLY FOR A REFRIGERATED FACILITY TRIGGS, ANDREW J —
18681264 RADIOPHARMACEUTICAL COMPOSITIONS FOR LOW TOXICITY ACTINIUM IN TARGETED RADIONUCLIDE THERAPY VU, JAKE MINH —
18354581 RADIOPHARMACEUTICAL COMPOSITIONS OF COPPER FOR TARGETED MOLECULAR IMAGING WESTERBERG, NISSA M —

Interview Candidates (9)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
17245718 SYSTEM AND METHOD TO IDENTIFY RISKS AND PROVIDE STRATEGIES TO OVERCOME RISKS EL-HAGE HASSAN, ABDALLAH A 138d overdue
18331761 Edible Multi-Ring Can-Holder and Methods for Manufacturing Edible Can-Holders MINSKEY, JACOB T 107d overdue
18982834 INTRAVENOUS EXTREMITY SUPPORT HAWTHORNE, OPHELIA ALTHEA 38d overdue
17782461 PAPER DRINKING STRAW, BEVERAGE CONTAINER, AND METHOD FOR PRODUCING THE PAPER DRINKING STRAW GREENLUND, JOSEPH A 9d
18899663 JOIST POCKET ASSEMBLY FOR A REFRIGERATED FACILITY TRIGGS, ANDREW J —
18798723 METHOD OF DETECTING PROSTATE CANCER IN A HUMAN SUBJECT USING A Cu 64 PSMA I&T INJECTION CRAIG, KAILA ANGELIQUE —
18756231 RADIOLABELING AND FORMULATION FOR SCALE UP OF 64Cu-DOTATATE DONOHUE, SEAN R —
18681264 RADIOPHARMACEUTICAL COMPOSITIONS FOR LOW TOXICITY ACTINIUM IN TARGETED RADIONUCLIDE THERAPY VU, JAKE MINH —

Client Portfolio (6 clients)

Top Art Units

Art UnitApps
16184
37861
36351
17481
37521
36231

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18982834 INTRAVENOUS EXTREMITY SUPPORT I.V. House, Inc. HAWTHORNE, OPHELIA ALTHEA 3786 §102§103 Final Rejection 38d overdue Pending Dec 16, 2024
18899663 JOIST POCKET ASSEMBLY FOR A REFRIGERATED FACILITY Cold Summit Development LLC TRIGGS, ANDREW J 3635 §102§103§112 Non-Final OA — Pending Sep 27, 2024
18798723 METHOD OF DETECTING PROSTATE CANCER IN A HUMAN SUBJECT USING A Cu 64 PSMA I&T INJECTION Curium US LLC CRAIG, KAILA ANGELIQUE 1618 §103 Final Rejection — Pending Aug 08, 2024
18756231 RADIOLABELING AND FORMULATION FOR SCALE UP OF 64Cu-DOTATATE Curium US LLC DONOHUE, SEAN R 1618 §102§103§112DP Non-Final OA — Pending Jun 27, 2024
18681264 RADIOPHARMACEUTICAL COMPOSITIONS FOR LOW TOXICITY ACTINIUM IN TARGETED RADIONUCLIDE THERAPY Curium US LLC VU, JAKE MINH 1618 §102§103§112Other Non-Final OA — Pending Feb 05, 2024
18354581 RADIOPHARMACEUTICAL COMPOSITIONS OF COPPER FOR TARGETED MOLECULAR IMAGING Curium US LLC WESTERBERG, NISSA M 1618 §103§112DP Non-Final OA — Pending Jul 18, 2023
18331761 Edible Multi-Ring Can-Holder and Methods for Manufacturing Edible Can-Holders E6Pr S.A.P.I. De C.V. MINSKEY, JACOB T 1748 DP Final Rejection 107d overdue Pending Jun 08, 2023
17782461 PAPER DRINKING STRAW, BEVERAGE CONTAINER, AND METHOD FOR PRODUCING THE PAPER DRINKING STRAW Capri Sun AG GREENLUND, JOSEPH A 3752 §103 Final Rejection 9d Pending Jun 03, 2022
17245718 SYSTEM AND METHOD TO IDENTIFY RISKS AND PROVIDE STRATEGIES TO OVERCOME RISKS Adapt Ready Inc. EL-HAGE HASSAN, ABDALLAH A 3623 §101 Non-Final OA 138d overdue Pending Apr 30, 2021

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Frequently Asked Questions

What is Mayer Brown LLP's patent allowance rate?

71.2% of resolved applications prosecuted by Mayer Brown LLP were allowed, across 1,481 applications in USPTO records.

How many office actions does Mayer Brown LLP average before allowance?

2.74 office actions per allowed application on average.

How many pending office actions does Mayer Brown LLP have?

9 pending office actions as of October 2026, for 6 clients, before 9 examiners in 6 art units.

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