Federal Circuit Patent Appeals
HKW represents clients in Federal Circuit patent appeals, including appeals arising from federal district court patent litigation and from Patent Trial and Appeal Board (PTAB) final written decisions. We handle appeals for both appellants and appellees and are often engaged as new counsel after a dispositive ruling, trial outcome, or adverse PTAB decision.
Lead Attorneys
For Federal Circuit patent appeals, clients often begin with: Steven G. Hill and David K. Ludwig.
District Court Patent Appeals
Appeals from district court patent cases commonly turn on a small number of core issues:
- Claim construction and how disputed terms control infringement and validity
- Dispositive rulings (including summary judgment and JMOL posture)
- Evidentiary and expert issues that can shape the trial record
- Damages methodology and remedy posture, including ongoing relief issues
Appellate strategy often begins in the district court. We focus on preserving important issues, building a clean record, and framing the dispute so that it can be decided on appeal without re-trying the case.
PTAB Appeals to the Federal Circuit
Appeals from PTAB proceedings present a distinct record and review framework. PTAB appeals frequently involve:
- Claim construction issues and intrinsic-record framing
- Obviousness/anticipation analyses and prior art mapping
- Motivation-to-combine and secondary considerations
- Procedural and administrative law issues tied to the Board’s reasoning and evidentiary treatment
We handle PTAB appeals with an integrated view of the administrative record—identifying the questions likely to be treated as legal issues versus substantial-evidence issues, and presenting the decisional points cleanly through record citations and standards-of-review framing.
Integrated Litigation and Appellate Planning
Patent appeals are often part of a larger dispute continuum. HKW’s patent practice allows us to integrate appellate strategy with district court and PTAB posture, including:
- Coordinating claim construction positions across forums
- Managing parallel proceedings and estoppel considerations
- Aligning technical themes and expert positions with appellate review standards
- Supporting post-judgment motions and record development that improves appeal posture
This integrated approach is particularly valuable when a matter involves both district court litigation and PTAB proceedings, or when appeal counsel is retained after key decisions below.
Why HKW for Federal Circuit Appeals
- Standards-of-review driven advocacy: issue selection and framing built around what the Federal Circuit can actually reverse—and what it will defer to.
- Record engineering: disciplined use of record citations, appendix strategy, and preservation posture so the panel can decide the appeal cleanly.
- Deep familiarity with both pipelines: experience with appeals arising from district court judgments and PTAB final written decisions.
- Seamless coordination with trial and PTAB teams: consistent claim construction and technical themes across forums, without self-inflicted contradictions.
- Remedy and expert sophistication: focused attention to damages methodology, Daubert posture, and remedy issues that often control practical outcomes.
Related IP Litigation Capabilities
HKW coordinates strategy across related IP proceedings and appeals. See also:
Representative Federal Circuit Matters
Sanho Corporation v. Kaijet Technology International Limited, Inc., et al
Fed. Cir. No. 2023-1336
Appeal from a PTAB inter partes review addressing priority and the prior art exception under 35 U.S.C. § 102(b)(2)(B), including the scope of “public disclosure” under the America Invents Act.
Savvy Dog Systems, LLC v. Pennsylvania Coin, LLC
Fed. Cir. No. 2023-1073
District court appeal involving patent eligibility under 35 U.S.C. § 101 and application of the Alice framework to touchscreen-based electronic gaming systems.
HP Inc. v. MPHJ Technology Investments, LLC
Fed. Cir. No. 2015-1427
Appeal from a PTAB inter partes review involving distributed computer and document transmission systems and the scope of appellate review of institution decisions.
MPHJ Technology Investments, LLC v. Ricoh Americas Corp.
Fed. Cir. No. 2016-1243
Appeal from a PTAB inter partes review concerning network-based document transmission and “virtual copier” technology, including significant claim construction issues.
ZapMedia Services, Inc. v. Apple Inc.
Fed. Cir. No. 2011-1546
District court appeal involving digital media distribution platforms and user account–based access control systems in consumer software environments.
Highmark, Inc. v. Allcare Health Management Systems, Inc.
Fed. Cir. No. 2009-1065
District court appeal in a managed healthcare system patent dispute over claim construction and infringement issues.
Strategic Questions for Federal Circuit Patent Appeals
When should appellate counsel get involved in a Federal Circuit appeal?
Ideally before final judgment. Many patent appeals are shaped by what happens in the last phase of the district court or PTAB proceeding: claim construction framing, Rule 50 practice, post-trial motions, preserved objections, and the way the record is organized. If appellate counsel comes in after judgment, the first task is triage: confirm deadlines, isolate preserved issues, and decide quickly which arguments are strong enough to carry the appeal.
What issues actually give a patent appeal a realistic chance at reversal?
The Federal Circuit does not re-try patent cases. The best appellate issues are usually a small number of preserved, outcome-determinative questions that fit the standard of review: a claim construction error that changed the case, a dispositive ruling that ignored the record, a PTAB analysis that does not withstand legal scrutiny, or a damages or remedy ruling with a clean path to correction. Appeals weaken when the briefing reads like a second round of trial advocacy instead of a disciplined challenge to reversible error.
How do PTAB appeals differ from district court patent appeals?
They are different animals. PTAB appeals are driven by the administrative record, substantial-evidence review, and the Board’s reasoning on claim construction, prior-art mapping, and motivation to combine. District court appeals more often turn on claim construction, JMOL or summary-judgment posture, expert and evidentiary rulings, jury instructions, damages methodology, and post-trial relief. Good appellate strategy recognizes those differences early, because the same issue will not be framed—or reviewed—the same way in both settings.
What does issue preservation mean in practice?
Preservation is where many otherwise good appellate themes disappear. In practice, it means the decisive argument was made clearly, at the right time, and in a form the reviewing court can act on. In district court, that often means Markman briefing, objections, Rule 50 motions, jury instructions, verdict-form issues, and post-trial motions. In PTAB matters, it means making the argument cleanly enough in the papers and record that the Federal Circuit can see both the issue and the error without reconstructing it.
What makes a strong Federal Circuit brief and Joint Appendix?
The strongest Federal Circuit briefs do three things well: they identify the few issues that matter, they state the standard of review up front, and they show the panel exactly where the record supports relief. The Joint Appendix is part of that strategy, not an administrative afterthought. A well-built appendix makes the appeal easier to decide and reduces the risk that a critical point is lost in a massive record. Oral argument then serves its proper role: clarifying the hard questions, not trying to rescue a diffuse brief.
When does it make sense to bring in new counsel for the appeal?
Often. It is common for a client to retain new appellate counsel after a dispositive ruling, trial loss, or adverse PTAB decision. A fresh team can be useful when the case needs a narrower issue set, a more candid assessment of what is actually reversible, or a different presentation style. The key is speed. New counsel must get control of the deadlines, the record, and the appeal theory immediately.
What happens after a Federal Circuit decision?
The decision is not always the end of the strategic analysis. Sometimes the right move is to accept the result and focus on remand or business resolution. In narrower circumstances, panel rehearing or rehearing en banc may be worth pursuing. If the matter is remanded, the next phase matters a great deal: parties often lose the benefit of an appellate win by mishandling how the mandate is implemented below. Strong appellate practice includes remand management, not just merits briefing.
