Patterson + Sheridan, LLP

Patent reexamination counsel·4 ex parte reexams

Patterson + Sheridan, LLP has served as patent-owner counsel in 4 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents AMP Plus, Inc. and Asset Guard Products Inc.. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.

Filings by year

Top patent owners represented

AMP Plus, Inc.3

Asset Guard Products Inc.1

Outcome track record

How this firm's reexams resolve once a certificate issues: all claims confirmed, amended, mixed, or canceled.

Certificate outcome split across every bucket
Share of proceedings where claims survived

Practice metrics

Certificate rate, average pendency, and the open/closed split across the firm's full reexam docket.

Certificate rate of closed proceedings
Average pendency in months

Examiners & adversaries

Which examiners most often decide this firm's reexams, and which requesters most often challenge its patents.

Most frequent examiners
Top opposing requesters

Recent reexaminations (4)

Control #	Filed	Patent	Title	Owner	Status
90/015,563	Oct 1, 2025	11,725,805	LIGHTING JUNCTION BOX WITH ASSEMBLY FOR HANGING	AMP Plus, Inc.	Open
90/015,562	Oct 1, 2025	11,460,157	Lighting Assembly Junction Box for Adjustable Ceiling Installation	AMP Plus, Inc.	Closed
90/015,561	Oct 1, 2025	11,159,004	ADJUSTABLE RECESSED BOX	AMP Plus, Inc.	Closed
90/014,303	May 10, 2019	9,410,302	TANK BASE	Asset Guard Products Inc.	Closed

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