What a partner reads in the first 30 seconds of your cover letter (and what makes them close it)

Before the technique, an uncomfortable truth: the cover letter is not dead, it is mistreated. Firms that genuinely ask for one use it as the first test of professional writing, which is, after all, the product the legal profession sells. A candidate unable to argue their own application in half a page will hardly argue a client's interests in twenty.

A firm partner reviewing applications between two meetings does not read: they scan. Thirty seconds per letter is a generous estimate, and in that time they make a binary decision: keep reading or move to the next. Understanding what they look at and in what order is the difference between an application that reaches an interview and one that dies in the inbox. This is what actually happens in those thirty seconds.

Seconds 0-5: the subject line and first paragraph

The first thing seen is not the letter but the email carrying it: a concrete subject line ("Employment lawyer application, 4 years' experience") and a first paragraph answering three questions without detours: who you are, what position you seek and why this firm. The generic sentence "I am writing to you in search of new opportunities" is the fastest to be discarded, because it betrays a letter sent to fifty firms. Personalisation is not courtesy: it is proof the candidate knows where they are knocking.

Seconds 5-20: the evidence paragraph

If the first paragraph passes the filter, the reader looks for one thing in the second: evidence. Not adjectives ("I am resourceful, proactive and hard-working"), but verifiable facts: the type of matters you have handled, the volume or complexity, the concrete result. A paragraph with two well-chosen facts is worth more than half a page of self-attributed qualities. And a detail that weighs more than it seems: that the chosen fact connects with what that firm does, not with what the candidate likes most about themselves.

Seconds 20-30: the quick discards

The last phase of the scan is an error hunt. The three that kill the most applications: another firm's name forgotten in the text, which happens more often than any candidate believes; spelling mistakes or broken agreements, unforgivable in a profession that sells precision; and length, because a letter over one page has already announced it cannot prioritise. Past that filter, the reader goes back to the beginning and now actually reads.

What you should never write

Three contents discard a letter without further analysis. The full biography in prose, which repeats the CV without adding anything: the letter is not the story of your life, it is the argument for why you fit that position. Sentences about the firm's excellence and prestige, which the reader instantly recognises as filler copied from their own website. And the false humility of "although I have no experience in this area", which turns a manageable weakness into the centre of the message. The golden rule is simple: every sentence in the letter must contain information the reader did not have, or it must disappear.

A note on format

PDF, always. An editable document arrives distorted to half its readers and betrays technical carelessness. The file name is also read: "Letter_Name_Surname_Position.pdf" conveys order; "document_final_v3_definitive.pdf" conveys the opposite. And the email accompanying the letter is not a formality: many readers decide in the email body whether to open the attachment.

The closing that works

The last paragraph should not thank the reader for their attention but ease the next step: availability for an interview, a reference to the attached CV and little more. The whole letter fits in half a page and its structure is that of good professional writing: concrete, evidenced and short. It is the same discipline we demand when writing to clients, as we recall in the eight email templates for firms. Complement the reading with the CV and cover letter guide, the salary negotiation tips and this week's verified job offers.