Prosecution Insights
Last updated: October 27, 2026

Maher M Haddad, USPTO Patent Examiner

Listed by the USPTO as HADDAD, MAHER M

Tech Center 1600 • Art Units: 1622 1634 1641 1644

This examiner grants 51% of resolved cases

Analysis

HADDAD, MAHER M is a USPTO patent examiner in tech center 1600 and art unit 1622. The profile includes 1072 resolved cases, a 50.6% allowance rate, and a median of 1121 days to allowance. The 53.8% interview lift is the most prominent prosecution signal in the profile, associating interviews with a materially higher allowance outcome in the measured data.

Takeda Pharmaceutical Company Limited, Millennium Pharmaceuticals Inc., and Novartis AG are the leading companies. The most frequently appearing firms are FISH & RICHARDSON P.C. (TC), Kilpatrick Townsend & Stockton LLP - West Coast, and BALLARD SPAHR LLP. Counsel can use these patterns when evaluating examiner-specific experience in pharmaceutical and related technology matters.

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

Performance Statistics

50.6%
Allow Rate
-9.4% vs TC avg
1,132
Total Applications
+53.8%
Interview Lift
1121
Avg Prosecution Days
Based on 1072 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
18.5%
§102 Novelty
29.0%
§103 Obviousness
33.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17616900 Use of an Anti-P-selectin Antibody Final Rejection NOVARTIS AG
18271205 MODULATION OF CD46 CELL SURFACE EXPRESSION AND THERAPEUTIC USE THEREOF Final Rejection The Regents of the University of California
18279191 HIGH POTENCY T CELL RECEPTORS FOR IMMUNOTHERAPY Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18035054 METHODS FOR ADMINISTERING A BCMAXCD3 BINDING MOLECULE Final Rejection AMGEN INC.
17609757 COMPOSITIONS AND METHODS FOR TREATING CANCER Non-Final OA THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE DEPARTMENT OF VETERANS AFFAIRS
18551679 METHODS OF TREATING CANCER IN IMMUNOSUPPRESSED OR IMMUNOCOMPROMISED PATIENTS BY ADMINISTERING A PD-1 INHIBITOR Non-Final OA Sanofi Biotechnology
18256565 COMPOSITIONS OF GUANYLYL CYCLASE C (GCC) ANTIGEN BINDING AGENTS AND METHODS OF USE THEREOF Final Rejection TAKEDA PHARMACEUTICAL COMPANY LIMITED
16208294 FORMULATION FOR ANTI-ALPHA4BETA7 ANTIBODY AND METHODS OF TREATMENT Non-Final OA Takeda Pharmaceutical Company Limited
18700535 MOLECULES THAT BIND TO CD276 POLYPEPTIDES Non-Final OA University of Pittsburgh of the Commonwealth System of Higher Education
18254606 NOVEL CONJUGATE MOLECULES TARGETING CD39 AND TGFBETA Final Rejection ELPISCIENCE BIOPHARMA, LTD.

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Who Appears Before This Examiner

Top companies before this examiner

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Frequently Asked Questions

What is examiner Maher M Haddad's allowance rate?

50.6% of resolved applications examined by Maher M Haddad were allowed (1,072 resolved cases), compared with 60.6% across Art Unit 1622 over the last five years.

Does an interview help with examiner Maher M Haddad?

This examiner's interview lift is +53.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Maher M Haddad take to allow a patent?

Applications allowed by Maher M Haddad took 1,121 days on average from filing to allowance.

Which art unit does examiner Maher M Haddad work in?

Maher M Haddad examines applications in Art Unit 1622 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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