BOOK THREE: THE LABYRINTH OF LAW AND LIES

Chapter Eleven: Appeals to the Patent Trial and Appeal Board

Patent Law Instruction

35 U.S.C. § 134: "An applicant for a patent... may appeal from the decision of the primary examiner to the Patent Trial and Appeal Board..."

When Prosecution Becomes Appeal

You've received a Final Office Action. You disagree with the examiner's rejections. You've filed RCE twice. The examiner keeps issuing the same rejections. At some point, you stop arguing with the examiner and start arguing to JUDGES.

This is the appeal process. And it's one of the most important mechanisms in patent law—the safety valve that prevents examiners from having absolute authority over patentability.

Why Appeals Matter

Without appeal rights, examiners would have final say on patentability. No review. No oversight. No correction of errors. The appeal process ensures that:

Examiner decisions get reviewed by judges with patent expertise
Applicants have path forward even after Final Office Action
USPTO maintains consistency across examination
Bad law gets identified and corrected before it becomes precedent

The Patent Trial and Appeal Board (PTAB)

The Patent Trial and Appeal Board (PTAB) is an administrative court within the USPTO. It's composed of:

Administrative Patent Judges (APJs): Former examiners, patent attorneys, judges with deep patent expertise
Vice Chief Judge and Chief Judge: Lead PTAB operations
Panels (typically 3 judges): Review each appeal as a group

PTAB jurisdiction: § 6 establishes PTAB with authority over ex parte appeals, inter partes review (IPR), post-grant review (PGR), covered business method (CBM) review, and derivation proceedings.

Important: PTAB judges are NOT the same as Article III federal judges. They're administrative judges employed by USPTO. This matters for appeal jurisdiction (you can appeal PTAB decisions to Federal Circuit, but PTAB itself is administrative, not judicial).

When Can You Appeal?

35 U.S.C. § 134(a): "An applicant for a patent... may appeal from the decision of the primary examiner to the Patent Trial and Appeal Board..."

What you can appeal:

Final Office Action rejections: Any rejection in a Final Office Action can be appealed
Examiner's Answer rejections: Rejections maintained or newly entered in Examiner's Answer
Non-final Office Action rejections (rare): Only if examiner agrees the application is in condition for appeal (unusual)

What you CANNOT appeal:

Restrictions (use petition to Director under § 181)
Objections to drawings (file petition to Director)
Minor formalities (these must be corrected, not appealed)
Fee issues (petition to Director)

Appeal vs. Petition

Appeal = Challenge to examiner's SUBSTANTIVE decision on patentability (§ 101, § 102, § 103, § 112 rejections)

Petition = Challenge to examiner's PROCEDURAL decision (restrictions, drawing objections, time extensions)

Use the WRONG mechanism and your challenge gets dismissed. Know the difference.

The Appeal Process (Step-by-Step)

Step 1: File Notice of Appeal (37 C.F.R. § 41.31)

Deadline: Within 6 months of Final Office Action mailing date (or RCE filing, whichever is earlier)

What it does: Tells USPTO you intend to appeal. Doesn't make any arguments yet—just preserves your right to appeal.

Fee: $900 (small entity: $450; micro entity: $225) — sets fees, MPEP 1203

Pro tip: File Notice of Appeal BEFORE your RCE deadline expires. You can always withdraw the appeal later if RCE succeeds. But if you miss the Notice deadline, you lose appeal rights.

Step 2: File Appeal Brief (37 C.F.R. § 41.37)

Deadline: Within 2 months of filing Notice of Appeal (extendable to max 5 months with fees)

What it must contain (STRICT requirements):

Real Party in Interest: Who actually owns the application
Related Appeals: Any related applications, appeals, or litigation
Status of Claims: Table showing which claims are rejected, allowed, or withdrawn
Status of Amendments: List of all amendments made during prosecution
Summary of Claimed Subject Matter: Plain-language description of what the invention is
Argument: For EACH rejection, explain why examiner is wrong
Claims Appendix: Text of all claims being appealed

Why such strict requirements? PTAB reviews thousands of appeals annually. Standardized brief format lets judges find information quickly. Miss a required section and your brief gets rejected non-compliant—you have to fix it and refile within 1 month or the appeal is dismissed.

Page limits:

30 pages maximum (excluding claim appendix, tables)
Must use at least 14-point font
Double-spaced or 1.5-spaced

Step 3: Examiner's Answer (37 C.F.R. § 41.39)

After you file Appeal Brief, the examiner has opportunity to respond. Two options:

Examiner's Answer: Examiner maintains rejections, responds to your arguments, and forwards case to PTAB
Examiner Withdraws Rejections: Examiner agrees with your arguments and allows claims (appeal is MOOT, you win without going to PTAB)

New Grounds of Rejection: If examiner raises NEW rejections in Examiner's Answer, applicant can either: (1) request rehearing before PTAB, or (2) reopen prosecution to address new grounds. This PAUSES the appeal.

Step 4: Reply Brief (Optional) (37 C.F.R. § 41.41)

Deadline: Within 2 months of Examiner's Answer

Purpose: Respond to NEW arguments raised in Examiner's Answer. Cannot raise new arguments of your own—only respond to examiner's new points.

Length limit: 20 pages maximum

Step 5: Oral Hearing (Optional) (37 C.F.R. § 41.47)

Either party (applicant or examiner) can request oral hearing. Usually conducted via video conference. Panel of 3 APJs asks questions about the appeal issues.

Should You Request Oral Hearing?

Yes, if:

Issues are complex and would benefit from real-time Q&A
You have strong technical evidence that's hard to explain in writing
You're a good speaker and can handle judge questions dynamically

No, if:

Your brief already makes the argument clearly
You're not comfortable with impromptu responses
The panel might ask questions that hurt your case

Step 6: PTAB Decision (37 C.F.R. § 41.50)

Panel of 3 APJs issues written decision. Typical timeframe: 6-18 months after briefing complete (varies widely based on PTAB workload and case complexity).

Possible outcomes:

AFFIRMED: PTAB agrees with examiner—rejections stand, claims rejected
REVERSED: PTAB disagrees with examiner—rejections withdrawn, claims patentable
AFFIRMED-IN-PART: Some rejections upheld, some reversed
NEW GROUNDS OF REJECTION: PTAB finds claims unpatentable for reasons examiner didn't raise

New Grounds by PTAB: If PTAB raises new grounds of rejection, applicant can either: (1) reopen prosecution to respond, or (2) request rehearing before PTAB. Similar to new grounds in Examiner's Answer.

Standards of Review

How does PTAB review examiner decisions? What's the standard?

De Novo Review (Fresh Look)

PTAB reviews the record DE NOVO—meaning they look at the evidence with fresh eyes, not deferring to the examiner's judgment. They can agree or disagree with examiner's conclusions independently.

What "De Novo" Means in Practice

Examiner says claims are obvious under § 103. PTAB doesn't just ask "Did examiner abuse discretion?" They ask: "Are these claims ACTUALLY obvious based on the prior art?"

This is GOOD for applicants—you get a fresh evaluation, not just review for examiner mistakes.

Burden of Proof Remains on USPTO

Even on appeal, USPTO has burden to establish prima facie case of unpatentability. If examiner's rejection is based on speculation, insufficient evidence, or improper legal standard, PTAB will reverse.

Key case: In re Oetiker, 977 F.2d 1443 (Fed. Cir. 1992): Examiner must provide reasoning with rational underpinning for obviousness rejection. Conclusory statements ("it would be obvious") are insufficient.

After PTAB Decision: What's Next?

If PTAB Reverses (You Win)

Case returns to examiner for allowance. Examiner issues Notice of Allowance (assuming no other rejections remain). You pay issue fee, patent grants.

If PTAB Affirms (You Lose)

You have three options:

Request Rehearing (37 C.F.R. § 41.52): Ask PTAB to reconsider. Deadline = 2 months from decision. Success rate is LOW (maybe 5-10%)—only use if PTAB made clear factual error or overlooked key argument.
Appeal to Federal Circuit (35 U.S.C. § 141): File notice of appeal to U.S. Court of Appeals for the Federal Circuit. Federal court reviews PTAB decision. This is expensive and takes years, but it's final judicial review.
File RCE and Continue Prosecution: Return to examination, amend claims, try different arguments. Sometimes better strategy than appeal to Federal Circuit.

§ 141 vs. § 145: § 141 = appeal to Federal Circuit (review of existing record). § 145 = civil action in district court (can introduce NEW evidence). § 145 is rare and expensive but useful if you have new evidence that wasn't before PTAB.

Strategic Considerations for Appeals

Should you appeal or file RCE?

This is one of the most important strategic decisions in patent prosecution. Here's how to think about it:

File RCE if:

You can amend claims to overcome rejections (easier than arguing)
Examiner seems reasonable and might be persuaded with better evidence
You have new evidence (declarations, data, expert opinions) that weren't in the record
Client wants to preserve continuation rights (filing RCE preserves them; waiting for PTAB decision might not)
Speed matters—RCE gets you back in examination faster than PTAB appeal (6-18 months)

File Appeal if:

Examiner is applying wrong legal standard (PTAB will correct)
Prior art doesn't actually teach what examiner claims it teaches
You've already filed RCE multiple times with same rejections—examiner isn't budging
Claims are already narrow and can't be amended further
You want PTAB precedent on specific legal issue (creates record for future applications)

Hybrid Strategy: File Both

Some practitioners file Notice of Appeal + RCE simultaneously. The appeal preserves your rights while RCE reopens prosecution. If RCE succeeds, you withdraw the appeal. If RCE fails, you proceed with appeal. This costs more in fees but provides maximum flexibility.

Common Appeal Mistakes (Avoid These)

1. Non-Compliant Appeal Brief

Mistake: Forgetting required sections (Real Party in Interest, Status of Claims, etc.)

Consequence: Brief rejected, you have 1 month to fix or appeal is dismissed

Fix: Use PTAB's official brief template (available on USPTO website)

2. Arguing in Claim Charts Instead of Text

Mistake: Presenting arguments only in claim charts without narrative explanation

Consequence: PTAB may not understand your argument—they need WORDS explaining why examiner is wrong

Fix: Use claim charts as SUPPLEMENT to written argument, not replacement

3. Attacking Rejections You Don't Appeal

Mistake: Arguing against rejections in non-appealed claims

Consequence: Wasted space, PTAB ignores arguments for non-appealed claims

Fix: Only argue rejections in claims you're actually appealing

4. Raising New Arguments in Reply Brief

Mistake: Introducing new evidence or arguments in Reply Brief that weren't in Appeal Brief

Consequence: PTAB typically refuses to consider new arguments in Reply Brief (it's supposed to RESPOND to Examiner's Answer, not make new points)

Fix: Make ALL substantive arguments in Appeal Brief. Use Reply Brief only to respond to examiner's new points.

Appeals in the Patent Bar Exam Context

What you need to know for the exam:

Deadlines: 6 months for Notice of Appeal (from Final Office Action); 2 months for Appeal Brief (extendable to 5 months)
Required brief sections: Real Party in Interest, Status of Claims, Argument for each rejection
Appeal vs. Petition: Appeals = substantive rejections; Petitions = procedural decisions
New Grounds of Rejection: Whether raised by examiner in Answer or PTAB in decision, applicant can reopen prosecution or request rehearing
Standard of review: De novo (fresh look at record)
Appeal from PTAB: § 141 (Federal Circuit) or § 145 (civil action with new evidence)

Typical Exam Question Pattern

Scenario: Applicant receives Final Office Action with § 103 rejection. Files RCE. Receives another Final with same rejection. What should applicant do?

Answer choices:

A) File another RCE and try again
B) File Notice of Appeal
C) Petition to Director
D) Abandon application

Correct answer: B (File Notice of Appeal). After multiple RCEs with same rejection, appeal is the appropriate next step. Examiner is not going to change position—need PTAB review.

Complete Statutory Framework — Appeals

35 U.S.C. § 134 — Appeal to the Patent Trial and Appeal Board

(a) PATENT APPLICANT.—An applicant for a patent, any of whose claims has been twice rejected, may appeal from the decision of the primary examiner to the Patent Trial and Appeal Board, having once paid the fee for such appeal.

(b) PATENT OWNER.—A patent owner in a reexamination may appeal from the final rejection of any claim by the primary examiner to the Patent Trial and Appeal Board, having once paid the fee for such appeal.

35 U.S.C. § 6 — Patent Trial and Appeal Board

(a) IN GENERAL.—There shall be in the Office a Patent Trial and Appeal Board. The Director, the Deputy Director, the Commissioner for Patents, the Commissioner for Trademarks, and the administrative patent judges shall constitute the Patent Trial and Appeal Board. The administrative patent judges shall be persons of competent legal knowledge and scientific ability who are appointed by the Secretary, in consultation with the Director.

(b) DUTIES.—The Patent Trial and Appeal Board shall—

(1) on written appeal of an applicant, review adverse decisions of examiners upon applications for patents pursuant to section 134(a);
(2) on written appeal of a patent owner, review adverse decisions of examiners upon patents in reexamination proceedings pursuant to section 134(b);
(3) conduct derivation proceedings pursuant to section 135;
(4) conduct inter partes reviews pursuant to chapter 31; and
(5) conduct post-grant reviews pursuant to chapter 32.

35 U.S.C. § 141 — Appeal to Court of Appeals for the Federal Circuit

An applicant dissatisfied with the decision of the Patent Trial and Appeal Board in an appeal under section 134(a) may appeal the Board's decision to the United States Court of Appeals for the Federal Circuit. A patent owner dissatisfied with the decision of the Patent Trial and Appeal Board in an appeal under section 134(b) may appeal the Board's decision only to the United States Court of Appeals for the Federal Circuit.

35 U.S.C. § 145 — Civil action to obtain patent

An applicant dissatisfied with the decision of the Patent Trial and Appeal Board in an appeal under section 134(a) may, unless appeal has been taken to the United States Court of Appeals for the Federal Circuit, have remedy by civil action against the Director in the United States District Court for the Eastern District of Virginia if commenced within such time after such decision, not less than sixty days, as the Director appoints. The court may adjudge that such applicant is entitled to receive a patent for his invention, as specified in any of his claims involved in the decision of the Patent Trial and Appeal Board, as the facts in the case may appear, and such adjudication shall authorize the Director to issue such patent on compliance with the requirements of law.

37 C.F.R. § 41.31 — Appeal to Board (Notice of Appeal)

(a) Who may file. An appeal may be taken to the Board from an adverse action of an examiner by filing a notice of appeal.

(b) Time for filing. The notice of appeal must be filed within the time period provided under § 1.134 of this title for reply to the Office action from which the appeal is taken.

37 C.F.R. § 41.37 — Appeal brief

(c) Requirements for appeal brief. The appeal brief shall be filed within two months from the date of the notice of appeal (which may be extended pursuant to § 1.136(a)) and must include the following:

(1) Real party in interest
(2) Related appeals and interferences
(3) Status of claims
(4) Status of amendments
(5) Summary of claimed subject matter
(6) Argument (for each ground of rejection)
(7) Claims appendix

37 C.F.R. § 41.39 — Examiner's answer

(a) The primary examiner may, within such time as may be directed by the Director, furnish an answer to the appeal brief, including such explanation of the invention claimed and of the references relied upon and grounds of rejection as may be necessary.

(b) NEW GROUND OF REJECTION. Should the primary examiner determine that a new ground of rejection should be made, the primary examiner may reopen prosecution or include the new ground of rejection in an examiner's answer.

37 C.F.R. § 41.47 — Oral hearing

(a) An oral hearing should be requested only in those circumstances in which appellant considers such a hearing necessary or desirable for a proper presentation of the appeal. An appeal decided on the briefs without an oral hearing will receive the same consideration by the Board as appeals decided after an oral hearing.

37 C.F.R. § 41.52 — Rehearing

(a) Appellant may file a single request for rehearing within two months of the date of the original decision of the Board. The request for rehearing must state with particularity the points believed to have been misapprehended or overlooked by the Board.