Old term  

New term

Action/cause/matter

Proceedings/claim

Plaintiff

Claimant

Writ/county court summons/originating summons

Claim form

Pleading

Statement of case

Discovery

Disclosure

Ex parte

Without notice

Fit

Just

In Camera

In private

In chambers

In private

Interlocutory

Interim (depending on context)

Inter Parties

With notice

Interrogatories

Requests for further information

Leave 

Permission

Mareva injunction

Freezing order

Anton Pillar order

Search order

Minor/infant

Child

Next Friend/guardian ad litem

Litigation friend

Open Court

In public

Plaintiff

Claimant

Relief

Remedy

Signs, signing, signs, signed, signature

Authenticate, authenticating, authenticates, authenticated, authentication

Taxation

Detailed assessment

Taxing Master

Costs master

Writ

Claim form

Writ of subpoena ad testificandum

Witness summons

Writ of subpoena duces tecum

Witness summons