Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
was filed by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "was filed by" is correct and usable in written English.
It is typically used in legal or formal contexts to indicate who submitted a document or application. Example: "The complaint was filed by the plaintiff in the local court."
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(6)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
The other suit was filed by two Englewood Cliffs residents.
News & Media
The lawsuit was filed by the Clinton administration in 1999.
News & Media
The appeal was filed by the boy's relatives.
News & Media
The petition was filed by 13 associations of victims' families.
News & Media
The case was filed by an individual, Harrold Wright.
News & Media
The first was filed by Standard Investment Chartered.
News & Media
The merger agreement was filed by the parties on Wednesday.
News & Media
It was filed by Edith Windsor, who married Thea Spyer in 2007.
News & Media
The petition in court was filed by a Vishwa Hindu Parishad on Monday.
News & Media
The second suit was filed by the owners of stations affiliated with ABC, CBS and NBC.
News & Media
Last month, a legal complaint was filed by Mr. Greene, the survivor of the couple.
News & Media
Expert writing Tips
Best practice
Use "was filed by" in legal, formal, or official contexts to clearly indicate the entity responsible for submitting a document or initiating an action. It provides clarity and accountability.
Common error
Avoid using "was filed by" in casual conversation or informal writing. Opt for simpler alternatives like "submitted by" or "sent by" to maintain a natural tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was filed by" functions as a passive construction, indicating the agent that performed the action of filing. According to Ludwig AI, it's a grammatically correct way to express who submitted a document or initiated a process. As demonstrated in the Ludwig examples, it's typically used in formal or legal settings.
Frequent in
News & Media
76%
Wiki
12%
Formal & Business
3%
Less common in
Science
3%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "was filed by" is a grammatically correct and commonly used phrase for indicating who officially submitted a document or initiated an action, as affirmed by Ludwig AI. It is most frequently found in news and media, as well as in wiki contexts, with a formal or neutral tone. When using this phrase, ensure it fits the context and consider simpler alternatives for informal settings. It's crucial to use it when accuracy and attribution are paramount. Always consider the context and register when choosing between "was filed by" and its alternatives to ensure effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was submitted by
Replaces "filed" with "submitted", focusing on the act of providing something for consideration.
was lodged by
Uses "lodged" instead of "filed", emphasizing the act of formally registering a document or complaint.
was initiated by
Highlights the act of starting or commencing the process.
was brought by
Emphasizes the act of introducing a case or claim.
was presented by
Focuses on the act of formally introducing or showcasing something.
was registered by
Highlights the act of officially recording or documenting something.
was issued by
Focuses on the act of formally releasing or providing something.
was commenced by
A more formal synonym for "initiated by", indicating the start of a legal or official process.
was started by
A simpler alternative, focusing on the beginning of an action.
originated from
Shifts the focus to the source or beginning of the action or document.
FAQs
What does "was filed by" mean?
The phrase "was filed by" indicates who officially submitted or initiated a document, lawsuit, or report. It's commonly used in legal and formal contexts.
When should I use "was filed by"?
Use "was filed by" in legal documents, official reports, news articles, or any context where it's important to specify who submitted or initiated something formally. It's appropriate when precision and clarity are needed.
What can I say instead of "was filed by"?
You can use alternatives like "was submitted by", "was lodged by", or "was initiated by" depending on the context.
Is it correct to say "filed by" or "was filed by"?
Both are correct, but they have different grammatical roles. "Filed by" is often used in headlines or shorter descriptions, while "was filed by" is used in full sentences to indicate passive voice.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested