This educational guide is based on the linked primary sources. It is not a Court publication, is not affiliated with the Court, and is not legal advice.
In brief
Overview
Background and question before the Court
What each side argues
Petitioner (Laura Peter, Deputy Director, Patent and Trademark Office)
According to Petitioner (Laura Peter, Deputy Director, Patent and Trademark Office), according to Petitioner (Laura Peter, Deputy Director, Patent and Trademark Office), section 145 requires an unsuccessful patent applicant who files suit under that provision to pay all the expenses of the proceeding.
Government
According to Government, there is no other statute that would be affected by the Court’s decision.
What happened at oral argument
What the Court decided
Why it matters
Terms to know
- expensae litis
- "expensae litis" literally means expenses of litigation, as defined by the Heritage Reporting Corporation's Bouvier Legal Dictionary.
Primary sources
Read the source materials on the official site or open the immutable repository copy used for this guide.
- 585a0b69e33129d061bb-r1-6503ebbc1877ebed.pdforal argument transcript
Guide generated September 27, 2026. Automated validation accepted this version.