Duty to Act
exercise reasonable care
A duty to exercise reasonable care
Elements of a Tort Claim
Elements of a Tort Claim
- Duty
- Breach
- Causation
- Harm
General Rule for Duty:
IF your actions create a risk of physical harm
THEN you have a duty to exercise reasonable care
General Rule for Affirmative Duty:
IF your actions do not create a risk of physical harm
THEN you have no duty to protect or to rescue
With some exceptions: Special relationship Undertakings Non-negligent injury Non-negligent creation of risk Statutes

Harper v. Herman
Exceptions to No Affirmative Duty
Special relationship Undertakings Non-negligent injury Non-negligent creation of risk Statutes
Sidenote: Don’t write like this
On Sunday, August 9, 1986, Jeffrey Harper (“Harper”) was one of four guests on Theodor Herman’s (“Herman”) 26-foot boat…
Because good writers don’t write like that.
Call me Ishmael (“Ishmael”).
It is a truth universally acknowledged, that a single man (“man”) in possession of a good fortune (“fortune”), must be in want of a wife (“wife”).
As Gregor Samsa (“Samsa”) awoke one morning on Sunday, August 9, 1986 from uneasy dreams he found himself transformed in his bed into a gigantic insect (“cockroach”).
And why don’t good writers write like that?
Because they treat the reader like a big, golden baby.

Farwell v. Keaton
Exceptions to No Affirmative Duty
Special relationship Undertakings Non-negligent injury Non-negligent creation of risk Statutes
Randi W. v. Muroc Joint Unified School District
&
Tarasoff v. Regents of the University of California
Rowland Factors
- foreseeability of harm
- certainty of plaintiff’s injury
- connection between defendant’s conduct and plaintiff’s injury
- moral blame
- policy of preventing harm
- burden to defendant
- consequences to community
- availability of insurance