Navigate MPEP without Ctrl+F. Simulate lag.

Build MPEP visual-muscle memory. Lag included, Ctrl+F blocked, Find and Repeat only. Confirmed accurate on exam day.

Patent Bar Fidelity PDF Viewer — Chapter 2100 Patentability with Find and Repeat workflow

This is the demo — Chapter 2100 only. The full viewer, every chapter, now lives at patentbarfidelity.com/pbf-viewer — bookmark it.

Two ways in

Simulate the exam. Study the source.

Simulate

Exam Simulator

400 questions across four complete USPTO exams, verified against official answer keys. The Prometric-replica interface — same layout, same constraints, lag and all. Structured explanations with clickable MPEP citations on every question.

Launch Exam Simulator
Study

MPEP Center

The complete 9th Edition MPEP as an annotated reading environment. Collapsible section hierarchy, search by number, title, or vibe, a pre-AIA/AIA regime filter, highlights and flashcards, and Ask — grounded in source text, citing the § it relies on.

Open MPEP Center
Reference

PDF Viewer

The Prometric-replica MPEP viewer, standalone — every chapter, free, no exam required. Lag simulation, Ctrl+F blocked, Find & Repeat only. Drill the exact navigation skill exam day demands.

Open PDF Viewer

Practice like
you play.

Launch Exam Simulator
Questions

400 questions across four complete USPTO exams — 2002 and 2003, October and April, Morning and Afternoon. Answers verified against official USPTO answer keys. Structured explanations with clickable MPEP citations on every question.

Interface

Same layout, same navigation, same constraints as the actual exam. Timed exam mode. Practice untimed with immediate answer reveal.

PDF Viewer

Integrated MPEP button on the exam. Open it from any question and navigate under the exam day conditions.

What's here & what's next

Live
Exam Simulator

Four complete USPTO exams — 2002 and 2003, October and April, 400 questions across eight sessions. Structured explanations with clickable MPEP citations. Exam and Practice modes.

Live
PDF Viewer

The Prometric-replica viewer as its own free product — every MPEP chapter, no exam required. Same lag simulation, blocked Ctrl+F, Find & Repeat navigation.

Live
MPEP Center

The complete 9th Edition MPEP as an annotated reading environment. Collapsible section hierarchy, search by number, title, or vibe, pre-AIA/AIA regime filter, highlights and flashcards, and Ask grounded in source text only.

In Development
Full Historical Exam Library

Expanding beyond 2002–2003 to cover all available official USPTO past exams with explanations tied to official model answer keys and MPEP cross-references.

Planned
AI Tutor — MPEP-grounded

Answers from 9th Edition MPEP source text only. Grounded citations. No hallucination by design.