Definition
OPPOSITION has distinct meanings depending on the procedural context in which it arises.
1. In bankruptcy practice: A creditor's formal refusal to assent to a debtor's discharge. By filing opposition, the creditor triggers a contested proceeding, placing the debtor's right to discharge at issue rather than allowing it to proceed unopposed.
2. In civil procedure (general usage): A written response filed by a party contesting a motion, petition, or application made by an opposing party. This is the dominant modern usage in American practice — when a party files a motion, the opposing party responds with an "opposition" or "opposition brief."
3. In intellectual property practice: A formal adversarial proceeding before the USPTO Trademark Trial and Appeal Board (TTAB) or an analogous foreign authority, in which an interested party challenges the registration of a trademark before it issues. Distinguished from a cancellation proceeding, which challenges an already-registered mark.
4. In French law (historical): A procedural mechanism allowing a defendant to move to reopen a judgment rendered by default, providing an opportunity to contest the matter on the merits. This usage does not appear in American common law practice.
Common Language
Modern common usage (Wiktionary): The action of opposing or being in conflict; a contrasting position; a political party or movement opposed to the party or government in power.
Historical common usage (Webster's 1913): The act of opposing; an attempt to check, restrain, or defeat; resistance; repugnance or contrariety of sentiment, interest, or purpose.
The common meaning captures a general adversarial posture. The legal meanings are procedurally specific: opposition is not merely disagreement, but a formal act with defined procedural consequences. Filing an opposition within a prescribed deadline is a jurisdictionally controlled event; failing to file can constitute waiver or concession of the motion. The intellectual property sense is particularly technical — "opposition" there denotes a specific quasi-judicial proceeding with its own standing requirements and evidentiary rules, not simply a letter of complaint.
Common Confusion
Opposition (bankruptcy) vs. objection to discharge: These terms are sometimes used interchangeably in older materials, but modern bankruptcy practice tends to favor "objection to discharge" under the Federal Rules of Bankruptcy Procedure. Historical sources using "opposition" in the bankruptcy sense should be read with awareness that the procedural mechanics have been substantially replaced by modern federal practice.
Opposition (motion practice) vs. response vs. reply: In modern federal and state practice, "opposition" and "response" are often used interchangeably for the document answering a motion. "Reply" refers to the movant's answer to the opposition. Some courts have specific preferences for terminology; checking local rules is essential.
Opposition (IP) vs. cancellation: A trademark opposition occurs before registration; a cancellation proceeding occurs after. The distinction is jurisdictionally and procedurally significant and is a common point of confusion in intellectual property research.
Recognized Forms
/SUBTYPES
1. Bankruptcy opposition: Creditor's formal refusal to assent to debtor's discharge; the triggering mechanism for a contested discharge proceeding under historical bankruptcy regimes.
2. Motion opposition brief: The standard responsive pleading in motion practice, filed by the non-moving party within a court-prescribed deadline.
3. Trademark opposition proceeding: A formal inter partes adversarial proceeding before the TTAB (in U.S. practice) or equivalent authority, initiated within a statutory window following publication of a mark for opposition.
4. French law opposition (historical): A motion to vacate a default judgment and restore the defendant to the right to be heard on the merits.
Why It Matters in Research
The primary trap in corpus research is terminological drift across time and jurisdiction. Nineteenth-century legal materials — particularly bankruptcy reporters and treatises — use "opposition" where modern federal practice would say "objection to discharge." Bouvier and both editions of Black's define the term almost exclusively in the bankruptcy context, with a footnote to French practice. Neither source anticipates what is now the most common legal usage of the word: the opposition brief in motion practice. A researcher querying historical materials for "opposition" in a motion practice context will likely be disappointed; that usage solidified in American practice with the proliferation of notice pleading and the standardization of motion briefing schedules in the twentieth century.
The intellectual property sense is entirely absent from all three historical dictionary sources. Trademark opposition proceedings as a formal TTAB mechanism postdate these works. Researchers working in IP history should not expect dictionary support from the traditional shelf sources for this usage.
French law usage noted in Black's is historically bounded and reflects civilian procedure that has no direct American counterpart. It is relevant primarily for researchers working with Louisiana materials, French colonial records, or comparative procedural history.
The bankruptcy usage in Bouvier cites 14 Bankr. Reg. 449, a reference to the Bankruptcy Register, a reporter associated with proceedings under the Bankruptcy Act of 1867. Researchers using this definition should situate it within that statutory regime, which was repealed and substantially restructured in 1898 and again in 1978.
Historical Dictionary Support
Black's (1st and 2nd editions) are virtually identical on this term, suggesting no meaningful evolution between editions. Both recognize two senses: the bankruptcy creditor's refusal to assent to discharge, and the French law mechanism for reopening a default judgment. Bouvier is narrower still, restricting the definition to insolvency practice and providing a single citation to the Bankruptcy Register.
All three sources share a common limitation: they reflect the procedural world of the late nineteenth century, when bankruptcy practice was less systematized and motion practice had not yet developed the standardized briefing structures familiar to modern practitioners. None of the historical dictionaries anticipates the contemporary dominance of the motion practice sense or the intellectual property sense.
The historical sources agree that "opposition" in the bankruptcy context is an affirmative act by a creditor — not merely passive non-consent — carrying procedural significance. This remains useful background for understanding the adversarial character of opposition proceedings generally across all its modern forms.
Jurisdictional Note
In federal courts, local rules govern the timing and format of opposition briefs, and failure to file an opposition within the deadline may be treated as non-opposition or concession of the motion in some districts. Trademark opposition proceedings before the TTAB are governed by the Trademark Trial and Appeal Board Manual of Procedure (TBMP). State court practice varies considerably in both terminology and procedural requirements.
Encyclopedia Cross-Reference
See Law Mind Encyclopedia: Bankruptcy Discharge Proceedings; Trademark Opposition and Cancellation Proceedings; Motion Practice and Briefing.